Home / 9,240.69-13,864.47-5,545.57

Finding the Fourth Proportional to 9,240.69, 13,864.47 and 5,545.57

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Solution

The fourth proportional to 9,240.69, 13,864.47 and 5,545.57 is: 8,320.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.69 : 13,864.47 = 5,545.57 : x
  2. Step 2: Convert to fraction form
    9,240.69/13,864.47 = 5,545.57/x
  3. Step 3: Cross multiply
    9,240.69x = 13,864.47 × 5,545.57
  4. Step 4: Simplify right side
    9,240.69x = 76,886,319.58
  5. Step 5: Solve for x
    x = 76,886,319.58/9,240.69
  6. Step 6: Final answer
    x = 8,320.41

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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.