Home / 9,815.68-13,550.66-7,572.52

Finding the Fourth Proportional to 9,815.68, 13,550.66 and 7,572.52

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Solution

The fourth proportional to 9,815.68, 13,550.66 and 7,572.52 is: 10,453.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,815.68 : 13,550.66 = 7,572.52 : x
  2. Step 2: Convert to fraction form
    9,815.68/13,550.66 = 7,572.52/x
  3. Step 3: Cross multiply
    9,815.68x = 13,550.66 × 7,572.52
  4. Step 4: Simplify right side
    9,815.68x = 102,612,643.86
  5. Step 5: Solve for x
    x = 102,612,643.86/9,815.68
  6. Step 6: Final answer
    x = 10,453.95

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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.