Home / 8,983.43-12,397.15-5,207.32

Finding the Fourth Proportional to 8,983.43, 12,397.15 and 5,207.32

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Solution

The fourth proportional to 8,983.43, 12,397.15 and 5,207.32 is: 7,186.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.43 : 12,397.15 = 5,207.32 : x
  2. Step 2: Convert to fraction form
    8,983.43/12,397.15 = 5,207.32/x
  3. Step 3: Cross multiply
    8,983.43x = 12,397.15 × 5,207.32
  4. Step 4: Simplify right side
    8,983.43x = 64,555,927.14
  5. Step 5: Solve for x
    x = 64,555,927.14/8,983.43
  6. Step 6: Final answer
    x = 7,186.11

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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.