Home / 9,342.56-12,892.14-5,360.87

Finding the Fourth Proportional to 9,342.56, 12,892.14 and 5,360.87

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Solution

The fourth proportional to 9,342.56, 12,892.14 and 5,360.87 is: 7,397.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,342.56 : 12,892.14 = 5,360.87 : x
  2. Step 2: Convert to fraction form
    9,342.56/12,892.14 = 5,360.87/x
  3. Step 3: Cross multiply
    9,342.56x = 12,892.14 × 5,360.87
  4. Step 4: Simplify right side
    9,342.56x = 69,113,022.10
  5. Step 5: Solve for x
    x = 69,113,022.10/9,342.56
  6. Step 6: Final answer
    x = 7,397.66

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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.