Home / 7,244.47-10,870.35-5,399.29

Finding the Fourth Proportional to 7,244.47, 10,870.35 and 5,399.29

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Solution

The fourth proportional to 7,244.47, 10,870.35 and 5,399.29 is: 8,101.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.47 : 10,870.35 = 5,399.29 : x
  2. Step 2: Convert to fraction form
    7,244.47/10,870.35 = 5,399.29/x
  3. Step 3: Cross multiply
    7,244.47x = 10,870.35 × 5,399.29
  4. Step 4: Simplify right side
    7,244.47x = 58,692,090.70
  5. Step 5: Solve for x
    x = 58,692,090.70/7,244.47
  6. Step 6: Final answer
    x = 8,101.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.