Home / 11,875.16-16,387.28-6,569.88

Finding the Fourth Proportional to 11,875.16, 16,387.28 and 6,569.88

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Solution

The fourth proportional to 11,875.16, 16,387.28 and 6,569.88 is: 9,066.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.16 : 16,387.28 = 6,569.88 : x
  2. Step 2: Convert to fraction form
    11,875.16/16,387.28 = 6,569.88/x
  3. Step 3: Cross multiply
    11,875.16x = 16,387.28 × 6,569.88
  4. Step 4: Simplify right side
    11,875.16x = 107,662,463.13
  5. Step 5: Solve for x
    x = 107,662,463.13/11,875.16
  6. Step 6: Final answer
    x = 9,066.19

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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.