Home / 11,030.64-16,545.15-3,240.06

Finding the Fourth Proportional to 11,030.64, 16,545.15 and 3,240.06

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Solution

The fourth proportional to 11,030.64, 16,545.15 and 3,240.06 is: 4,859.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.64 : 16,545.15 = 3,240.06 : x
  2. Step 2: Convert to fraction form
    11,030.64/16,545.15 = 3,240.06/x
  3. Step 3: Cross multiply
    11,030.64x = 16,545.15 × 3,240.06
  4. Step 4: Simplify right side
    11,030.64x = 53,607,278.71
  5. Step 5: Solve for x
    x = 53,607,278.71/11,030.64
  6. Step 6: Final answer
    x = 4,859.85

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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.