Home / 9,216.59-12,718.89-5,237.60

Finding the Fourth Proportional to 9,216.59, 12,718.89 and 5,237.60

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Solution

The fourth proportional to 9,216.59, 12,718.89 and 5,237.60 is: 7,227.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.59 : 12,718.89 = 5,237.60 : x
  2. Step 2: Convert to fraction form
    9,216.59/12,718.89 = 5,237.60/x
  3. Step 3: Cross multiply
    9,216.59x = 12,718.89 × 5,237.60
  4. Step 4: Simplify right side
    9,216.59x = 66,616,394.67
  5. Step 5: Solve for x
    x = 66,616,394.67/9,216.59
  6. Step 6: Final answer
    x = 7,227.88

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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.