Home / 7,417.48-11,126.28-2,487.51

Finding the Fourth Proportional to 7,417.48, 11,126.28 and 2,487.51

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Solution

The fourth proportional to 7,417.48, 11,126.28 and 2,487.51 is: 3,731.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.48 : 11,126.28 = 2,487.51 : x
  2. Step 2: Convert to fraction form
    7,417.48/11,126.28 = 2,487.51/x
  3. Step 3: Cross multiply
    7,417.48x = 11,126.28 × 2,487.51
  4. Step 4: Simplify right side
    7,417.48x = 27,676,732.76
  5. Step 5: Solve for x
    x = 27,676,732.76/7,417.48
  6. Step 6: Final answer
    x = 3,731.29

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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.