Home / 9,535.13-13,158.13-5,228.20

Finding the Fourth Proportional to 9,535.13, 13,158.13 and 5,228.20

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Solution

The fourth proportional to 9,535.13, 13,158.13 and 5,228.20 is: 7,214.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.13 : 13,158.13 = 5,228.20 : x
  2. Step 2: Convert to fraction form
    9,535.13/13,158.13 = 5,228.20/x
  3. Step 3: Cross multiply
    9,535.13x = 13,158.13 × 5,228.20
  4. Step 4: Simplify right side
    9,535.13x = 68,793,335.27
  5. Step 5: Solve for x
    x = 68,793,335.27/9,535.13
  6. Step 6: Final answer
    x = 7,214.72

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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.