Home / 9,215.44-12,718.29-5,237.53

Finding the Fourth Proportional to 9,215.44, 12,718.29 and 5,237.53

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Solution

The fourth proportional to 9,215.44, 12,718.29 and 5,237.53 is: 7,228.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.44 : 12,718.29 = 5,237.53 : x
  2. Step 2: Convert to fraction form
    9,215.44/12,718.29 = 5,237.53/x
  3. Step 3: Cross multiply
    9,215.44x = 12,718.29 × 5,237.53
  4. Step 4: Simplify right side
    9,215.44x = 66,612,425.42
  5. Step 5: Solve for x
    x = 66,612,425.42/9,215.44
  6. Step 6: Final answer
    x = 7,228.35

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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.