Home / 9,528.80-13,149.60-5,337.20

Finding the Fourth Proportional to 9,528.80, 13,149.60 and 5,337.20

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Solution

The fourth proportional to 9,528.80, 13,149.60 and 5,337.20 is: 7,365.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,528.80 : 13,149.60 = 5,337.20 : x
  2. Step 2: Convert to fraction form
    9,528.80/13,149.60 = 5,337.20/x
  3. Step 3: Cross multiply
    9,528.80x = 13,149.60 × 5,337.20
  4. Step 4: Simplify right side
    9,528.80x = 70,182,045.12
  5. Step 5: Solve for x
    x = 70,182,045.12/9,528.80
  6. Step 6: Final answer
    x = 7,365.26

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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.