Home / 8,880.32-12,253.60-5,891.52

Finding the Fourth Proportional to 8,880.32, 12,253.60 and 5,891.52

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Solution

The fourth proportional to 8,880.32, 12,253.60 and 5,891.52 is: 8,129.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,880.32 : 12,253.60 = 5,891.52 : x
  2. Step 2: Convert to fraction form
    8,880.32/12,253.60 = 5,891.52/x
  3. Step 3: Cross multiply
    8,880.32x = 12,253.60 × 5,891.52
  4. Step 4: Simplify right side
    8,880.32x = 72,192,329.47
  5. Step 5: Solve for x
    x = 72,192,329.47/8,880.32
  6. Step 6: Final answer
    x = 8,129.47

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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.