Home / 9,543.80-13,171.02-5,352.68

Finding the Fourth Proportional to 9,543.80, 13,171.02 and 5,352.68

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Solution

The fourth proportional to 9,543.80, 13,171.02 and 5,352.68 is: 7,387.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.80 : 13,171.02 = 5,352.68 : x
  2. Step 2: Convert to fraction form
    9,543.80/13,171.02 = 5,352.68/x
  3. Step 3: Cross multiply
    9,543.80x = 13,171.02 × 5,352.68
  4. Step 4: Simplify right side
    9,543.80x = 70,500,255.33
  5. Step 5: Solve for x
    x = 70,500,255.33/9,543.80
  6. Step 6: Final answer
    x = 7,387.02

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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.