Home / 10,007.92-15,007.32-4,161.04

Finding the Fourth Proportional to 10,007.92, 15,007.32 and 4,161.04

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Solution

The fourth proportional to 10,007.92, 15,007.32 and 4,161.04 is: 6,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.92 : 15,007.32 = 4,161.04 : x
  2. Step 2: Convert to fraction form
    10,007.92/15,007.32 = 4,161.04/x
  3. Step 3: Cross multiply
    10,007.92x = 15,007.32 × 4,161.04
  4. Step 4: Simplify right side
    10,007.92x = 62,446,058.81
  5. Step 5: Solve for x
    x = 62,446,058.81/10,007.92
  6. Step 6: Final answer
    x = 6,239.66

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1.5x scale

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.