Home / 9,572.04-13,210.14-5,380.68

Finding the Fourth Proportional to 9,572.04, 13,210.14 and 5,380.68

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Solution

The fourth proportional to 9,572.04, 13,210.14 and 5,380.68 is: 7,425.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,572.04 : 13,210.14 = 5,380.68 : x
  2. Step 2: Convert to fraction form
    9,572.04/13,210.14 = 5,380.68/x
  3. Step 3: Cross multiply
    9,572.04x = 13,210.14 × 5,380.68
  4. Step 4: Simplify right side
    9,572.04x = 71,079,536.10
  5. Step 5: Solve for x
    x = 71,079,536.10/9,572.04
  6. Step 6: Final answer
    x = 7,425.75

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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.