Home / 7,528.72-10,387.56-4,876.24

Finding the Fourth Proportional to 7,528.72, 10,387.56 and 4,876.24

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Solution

The fourth proportional to 7,528.72, 10,387.56 and 4,876.24 is: 6,727.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,528.72 : 10,387.56 = 4,876.24 : x
  2. Step 2: Convert to fraction form
    7,528.72/10,387.56 = 4,876.24/x
  3. Step 3: Cross multiply
    7,528.72x = 10,387.56 × 4,876.24
  4. Step 4: Simplify right side
    7,528.72x = 50,652,235.57
  5. Step 5: Solve for x
    x = 50,652,235.57/7,528.72
  6. Step 6: Final answer
    x = 6,727.87

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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.