Home / 9,681.26-13,360.02-5,489.24

Finding the Fourth Proportional to 9,681.26, 13,360.02 and 5,489.24

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Solution

The fourth proportional to 9,681.26, 13,360.02 and 5,489.24 is: 7,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,681.26 : 13,360.02 = 5,489.24 : x
  2. Step 2: Convert to fraction form
    9,681.26/13,360.02 = 5,489.24/x
  3. Step 3: Cross multiply
    9,681.26x = 13,360.02 × 5,489.24
  4. Step 4: Simplify right side
    9,681.26x = 73,336,356.18
  5. Step 5: Solve for x
    x = 73,336,356.18/9,681.26
  6. Step 6: Final answer
    x = 7,575.08

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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.