Home / 11,263.62-15,545.13-6,789.63

Finding the Fourth Proportional to 11,263.62, 15,545.13 and 6,789.63

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Solution

The fourth proportional to 11,263.62, 15,545.13 and 6,789.63 is: 9,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.62 : 15,545.13 = 6,789.63 : x
  2. Step 2: Convert to fraction form
    11,263.62/15,545.13 = 6,789.63/x
  3. Step 3: Cross multiply
    11,263.62x = 15,545.13 × 6,789.63
  4. Step 4: Simplify right side
    11,263.62x = 105,545,681.00
  5. Step 5: Solve for x
    x = 105,545,681.00/11,263.62
  6. Step 6: Final answer
    x = 9,370.49

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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.