Home / 8,545.25-11,789.16-5,353.00

Finding the Fourth Proportional to 8,545.25, 11,789.16 and 5,353.00

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Solution

The fourth proportional to 8,545.25, 11,789.16 and 5,353.00 is: 7,385.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,545.25 : 11,789.16 = 5,353.00 : x
  2. Step 2: Convert to fraction form
    8,545.25/11,789.16 = 5,353.00/x
  3. Step 3: Cross multiply
    8,545.25x = 11,789.16 × 5,353.00
  4. Step 4: Simplify right side
    8,545.25x = 63,107,334.61
  5. Step 5: Solve for x
    x = 63,107,334.61/8,545.25
  6. Step 6: Final answer
    x = 7,385.07

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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.