Home / 7,417.12-11,126.72-3,035.20

Finding the Fourth Proportional to 7,417.12, 11,126.72 and 3,035.20

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Solution

The fourth proportional to 7,417.12, 11,126.72 and 3,035.20 is: 4,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.12 : 11,126.72 = 3,035.20 : x
  2. Step 2: Convert to fraction form
    7,417.12/11,126.72 = 3,035.20/x
  3. Step 3: Cross multiply
    7,417.12x = 11,126.72 × 3,035.20
  4. Step 4: Simplify right side
    7,417.12x = 33,771,820.54
  5. Step 5: Solve for x
    x = 33,771,820.54/7,417.12
  6. Step 6: Final answer
    x = 4,553.23

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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.