Home / 15,897.40-23,846.10-5,510.20

Finding the Fourth Proportional to 15,897.40, 23,846.10 and 5,510.20

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Solution

The fourth proportional to 15,897.40, 23,846.10 and 5,510.20 is: 8,265.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,897.40 : 23,846.10 = 5,510.20 : x
  2. Step 2: Convert to fraction form
    15,897.40/23,846.10 = 5,510.20/x
  3. Step 3: Cross multiply
    15,897.40x = 23,846.10 × 5,510.20
  4. Step 4: Simplify right side
    15,897.40x = 131,396,780.22
  5. Step 5: Solve for x
    x = 131,396,780.22/15,897.40
  6. Step 6: Final answer
    x = 8,265.30

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.