Home / 9,834.81-13,572.20-5,358.75

Finding the Fourth Proportional to 9,834.81, 13,572.20 and 5,358.75

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Solution

The fourth proportional to 9,834.81, 13,572.20 and 5,358.75 is: 7,395.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,834.81 : 13,572.20 = 5,358.75 : x
  2. Step 2: Convert to fraction form
    9,834.81/13,572.20 = 5,358.75/x
  3. Step 3: Cross multiply
    9,834.81x = 13,572.20 × 5,358.75
  4. Step 4: Simplify right side
    9,834.81x = 72,729,966.03
  5. Step 5: Solve for x
    x = 72,729,966.03/9,834.81
  6. Step 6: Final answer
    x = 7,395.16

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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.