Home / 9,934.08-13,705.15-5,682.87

Finding the Fourth Proportional to 9,934.08, 13,705.15 and 5,682.87

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Solution

The fourth proportional to 9,934.08, 13,705.15 and 5,682.87 is: 7,840.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,934.08 : 13,705.15 = 5,682.87 : x
  2. Step 2: Convert to fraction form
    9,934.08/13,705.15 = 5,682.87/x
  3. Step 3: Cross multiply
    9,934.08x = 13,705.15 × 5,682.87
  4. Step 4: Simplify right side
    9,934.08x = 77,884,585.78
  5. Step 5: Solve for x
    x = 77,884,585.78/9,934.08
  6. Step 6: Final answer
    x = 7,840.14

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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.