Home / 10,863.12-14,988.51-6,614.13

Finding the Fourth Proportional to 10,863.12, 14,988.51 and 6,614.13

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Solution

The fourth proportional to 10,863.12, 14,988.51 and 6,614.13 is: 9,125.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,863.12 : 14,988.51 = 6,614.13 : x
  2. Step 2: Convert to fraction form
    10,863.12/14,988.51 = 6,614.13/x
  3. Step 3: Cross multiply
    10,863.12x = 14,988.51 × 6,614.13
  4. Step 4: Simplify right side
    10,863.12x = 99,135,953.65
  5. Step 5: Solve for x
    x = 99,135,953.65/10,863.12
  6. Step 6: Final answer
    x = 9,125.92

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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.