Home / 10,373.32-15,545.10-6,475.40

Finding the Fourth Proportional to 10,373.32, 15,545.10 and 6,475.40

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Solution

The fourth proportional to 10,373.32, 15,545.10 and 6,475.40 is: 9,703.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.32 : 15,545.10 = 6,475.40 : x
  2. Step 2: Convert to fraction form
    10,373.32/15,545.10 = 6,475.40/x
  3. Step 3: Cross multiply
    10,373.32x = 15,545.10 × 6,475.40
  4. Step 4: Simplify right side
    10,373.32x = 100,660,740.54
  5. Step 5: Solve for x
    x = 100,660,740.54/10,373.32
  6. Step 6: Final answer
    x = 9,703.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.