Home / 11,897.16-16,417.72-6,591.90

Finding the Fourth Proportional to 11,897.16, 16,417.72 and 6,591.90

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Solution

The fourth proportional to 11,897.16, 16,417.72 and 6,591.90 is: 9,096.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,897.16 : 16,417.72 = 6,591.90 : x
  2. Step 2: Convert to fraction form
    11,897.16/16,417.72 = 6,591.90/x
  3. Step 3: Cross multiply
    11,897.16x = 16,417.72 × 6,591.90
  4. Step 4: Simplify right side
    11,897.16x = 108,223,968.47
  5. Step 5: Solve for x
    x = 108,223,968.47/11,897.16
  6. Step 6: Final answer
    x = 9,096.62

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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.