Home / 10,407.16-14,361.66-5,691.40

Finding the Fourth Proportional to 10,407.16, 14,361.66 and 5,691.40

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Solution

The fourth proportional to 10,407.16, 14,361.66 and 5,691.40 is: 7,854.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,407.16 : 14,361.66 = 5,691.40 : x
  2. Step 2: Convert to fraction form
    10,407.16/14,361.66 = 5,691.40/x
  3. Step 3: Cross multiply
    10,407.16x = 14,361.66 × 5,691.40
  4. Step 4: Simplify right side
    10,407.16x = 81,737,951.72
  5. Step 5: Solve for x
    x = 81,737,951.72/10,407.16
  6. Step 6: Final answer
    x = 7,854.01

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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.