Home / 9,543.60-13,170.60-5,352.12

Finding the Fourth Proportional to 9,543.60, 13,170.60 and 5,352.12

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Solution

The fourth proportional to 9,543.60, 13,170.60 and 5,352.12 is: 7,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,543.60 : 13,170.60 = 5,352.12 : x
  2. Step 2: Convert to fraction form
    9,543.60/13,170.60 = 5,352.12/x
  3. Step 3: Cross multiply
    9,543.60x = 13,170.60 × 5,352.12
  4. Step 4: Simplify right side
    9,543.60x = 70,490,631.67
  5. Step 5: Solve for x
    x = 70,490,631.67/9,543.60
  6. Step 6: Final answer
    x = 7,386.17

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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.