Home / 7,572.13-11,347.69-5,721.73

Finding the Fourth Proportional to 7,572.13, 11,347.69 and 5,721.73

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Solution

The fourth proportional to 7,572.13, 11,347.69 and 5,721.73 is: 8,574.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.13 : 11,347.69 = 5,721.73 : x
  2. Step 2: Convert to fraction form
    7,572.13/11,347.69 = 5,721.73/x
  3. Step 3: Cross multiply
    7,572.13x = 11,347.69 × 5,721.73
  4. Step 4: Simplify right side
    7,572.13x = 64,928,418.30
  5. Step 5: Solve for x
    x = 64,928,418.30/7,572.13
  6. Step 6: Final answer
    x = 8,574.66

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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.