Home / 9,610.59-13,263.08-5,418.75

Finding the Fourth Proportional to 9,610.59, 13,263.08 and 5,418.75

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Solution

The fourth proportional to 9,610.59, 13,263.08 and 5,418.75 is: 7,478.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,610.59 : 13,263.08 = 5,418.75 : x
  2. Step 2: Convert to fraction form
    9,610.59/13,263.08 = 5,418.75/x
  3. Step 3: Cross multiply
    9,610.59x = 13,263.08 × 5,418.75
  4. Step 4: Simplify right side
    9,610.59x = 71,869,287.66
  5. Step 5: Solve for x
    x = 71,869,287.66/9,610.59
  6. Step 6: Final answer
    x = 7,478.13

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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.