Home / 7,253.28-9,995.49-4,891.32

Finding the Fourth Proportional to 7,253.28, 9,995.49 and 4,891.32

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Solution

The fourth proportional to 7,253.28, 9,995.49 and 4,891.32 is: 6,740.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,253.28 : 9,995.49 = 4,891.32 : x
  2. Step 2: Convert to fraction form
    7,253.28/9,995.49 = 4,891.32/x
  3. Step 3: Cross multiply
    7,253.28x = 9,995.49 × 4,891.32
  4. Step 4: Simplify right side
    7,253.28x = 48,891,140.15
  5. Step 5: Solve for x
    x = 48,891,140.15/7,253.28
  6. Step 6: Final answer
    x = 6,740.56

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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.