Home / 10,060.74-13,897.58-8,170.20

Finding the Fourth Proportional to 10,060.74, 13,897.58 and 8,170.20

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Solution

The fourth proportional to 10,060.74, 13,897.58 and 8,170.20 is: 11,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,060.74 : 13,897.58 = 8,170.20 : x
  2. Step 2: Convert to fraction form
    10,060.74/13,897.58 = 8,170.20/x
  3. Step 3: Cross multiply
    10,060.74x = 13,897.58 × 8,170.20
  4. Step 4: Simplify right side
    10,060.74x = 113,545,967.27
  5. Step 5: Solve for x
    x = 113,545,967.27/10,060.74
  6. Step 6: Final answer
    x = 11,286.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.