Home / 9,543.79-13,170.41-5,352.13

Finding the Fourth Proportional to 9,543.79, 13,170.41 and 5,352.13

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Solution

The fourth proportional to 9,543.79, 13,170.41 and 5,352.13 is: 7,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.79 : 13,170.41 = 5,352.13 : x
  2. Step 2: Convert to fraction form
    9,543.79/13,170.41 = 5,352.13/x
  3. Step 3: Cross multiply
    9,543.79x = 13,170.41 × 5,352.13
  4. Step 4: Simplify right side
    9,543.79x = 70,489,719.71
  5. Step 5: Solve for x
    x = 70,489,719.71/9,543.79
  6. Step 6: Final answer
    x = 7,385.93

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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.