Home / 11,331.06-15,642.18-7,560.60

Finding the Fourth Proportional to 11,331.06, 15,642.18 and 7,560.60

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Solution

The fourth proportional to 11,331.06, 15,642.18 and 7,560.60 is: 10,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,331.06 : 15,642.18 = 7,560.60 : x
  2. Step 2: Convert to fraction form
    11,331.06/15,642.18 = 7,560.60/x
  3. Step 3: Cross multiply
    11,331.06x = 15,642.18 × 7,560.60
  4. Step 4: Simplify right side
    11,331.06x = 118,264,266.11
  5. Step 5: Solve for x
    x = 118,264,266.11/11,331.06
  6. Step 6: Final answer
    x = 10,437.18

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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.