Home / 9,216.57-12,718.38-5,237.13

Finding the Fourth Proportional to 9,216.57, 12,718.38 and 5,237.13

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Solution

The fourth proportional to 9,216.57, 12,718.38 and 5,237.13 is: 7,226.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,216.57 : 12,718.38 = 5,237.13 : x
  2. Step 2: Convert to fraction form
    9,216.57/12,718.38 = 5,237.13/x
  3. Step 3: Cross multiply
    9,216.57x = 12,718.38 × 5,237.13
  4. Step 4: Simplify right side
    9,216.57x = 66,607,809.45
  5. Step 5: Solve for x
    x = 66,607,809.45/9,216.57
  6. Step 6: Final answer
    x = 7,226.96

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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.