Home / 11,418.03-15,752.25-7,437.69

Finding the Fourth Proportional to 11,418.03, 15,752.25 and 7,437.69

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Solution

The fourth proportional to 11,418.03, 15,752.25 and 7,437.69 is: 10,261.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,418.03 : 15,752.25 = 7,437.69 : x
  2. Step 2: Convert to fraction form
    11,418.03/15,752.25 = 7,437.69/x
  3. Step 3: Cross multiply
    11,418.03x = 15,752.25 × 7,437.69
  4. Step 4: Simplify right side
    11,418.03x = 117,160,352.30
  5. Step 5: Solve for x
    x = 117,160,352.30/11,418.03
  6. Step 6: Final answer
    x = 10,261.00

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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.