Home / 11,325.75-15,628.92-6,545.55

Finding the Fourth Proportional to 11,325.75, 15,628.92 and 6,545.55

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Solution

The fourth proportional to 11,325.75, 15,628.92 and 6,545.55 is: 9,032.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,325.75 : 15,628.92 = 6,545.55 : x
  2. Step 2: Convert to fraction form
    11,325.75/15,628.92 = 6,545.55/x
  3. Step 3: Cross multiply
    11,325.75x = 15,628.92 × 6,545.55
  4. Step 4: Simplify right side
    11,325.75x = 102,299,877.31
  5. Step 5: Solve for x
    x = 102,299,877.31/11,325.75
  6. Step 6: Final answer
    x = 9,032.50

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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.