Home / 7,244.40-9,996.12-4,057.20

Finding the Fourth Proportional to 7,244.40, 9,996.12 and 4,057.20

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Solution

The fourth proportional to 7,244.40, 9,996.12 and 4,057.20 is: 5,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244.40 : 9,996.12 = 4,057.20 : x
  2. Step 2: Convert to fraction form
    7,244.40/9,996.12 = 4,057.20/x
  3. Step 3: Cross multiply
    7,244.40x = 9,996.12 × 4,057.20
  4. Step 4: Simplify right side
    7,244.40x = 40,556,258.06
  5. Step 5: Solve for x
    x = 40,556,258.06/7,244.40
  6. Step 6: Final answer
    x = 5,598.29

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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.