Home / 8,803.28-12,148.49-5,267.32

Finding the Fourth Proportional to 8,803.28, 12,148.49 and 5,267.32

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Solution

The fourth proportional to 8,803.28, 12,148.49 and 5,267.32 is: 7,268.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.28 : 12,148.49 = 5,267.32 : x
  2. Step 2: Convert to fraction form
    8,803.28/12,148.49 = 5,267.32/x
  3. Step 3: Cross multiply
    8,803.28x = 12,148.49 × 5,267.32
  4. Step 4: Simplify right side
    8,803.28x = 63,989,967.14
  5. Step 5: Solve for x
    x = 63,989,967.14/8,803.28
  6. Step 6: Final answer
    x = 7,268.88

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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.