Home / 8,359.05-11,535-4,581.47

Finding the Fourth Proportional to 8,359.05, 11,535 and 4,581.47

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Solution

The fourth proportional to 8,359.05, 11,535 and 4,581.47 is: 6,322.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,359.05 : 11,535 = 4,581.47 : x
  2. Step 2: Convert to fraction form
    8,359.05/11,535 = 4,581.47/x
  3. Step 3: Cross multiply
    8,359.05x = 11,535 × 4,581.47
  4. Step 4: Simplify right side
    8,359.05x = 52,847,198.78
  5. Step 5: Solve for x
    x = 52,847,198.78/8,359.05
  6. Step 6: Final answer
    x = 6,322.15

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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.