Home / 13,062.45-18,025.93-7,397.11

Finding the Fourth Proportional to 13,062.45, 18,025.93 and 7,397.11

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Solution

The fourth proportional to 13,062.45, 18,025.93 and 7,397.11 is: 10,207.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.45 : 18,025.93 = 7,397.11 : x
  2. Step 2: Convert to fraction form
    13,062.45/18,025.93 = 7,397.11/x
  3. Step 3: Cross multiply
    13,062.45x = 18,025.93 × 7,397.11
  4. Step 4: Simplify right side
    13,062.45x = 133,339,787.06
  5. Step 5: Solve for x
    x = 133,339,787.06/13,062.45
  6. Step 6: Final answer
    x = 10,207.87

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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.