Home / 7,251.12-10,008.36-4,455

Finding the Fourth Proportional to 7,251.12, 10,008.36 and 4,455

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Solution

The fourth proportional to 7,251.12, 10,008.36 and 4,455 is: 6,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.12 : 10,008.36 = 4,455 : x
  2. Step 2: Convert to fraction form
    7,251.12/10,008.36 = 4,455/x
  3. Step 3: Cross multiply
    7,251.12x = 10,008.36 × 4,455
  4. Step 4: Simplify right side
    7,251.12x = 44,587,243.80
  5. Step 5: Solve for x
    x = 44,587,243.80/7,251.12
  6. Step 6: Final answer
    x = 6,149.01

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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.