Home / 9,237.87-12,743.91-6,718.89

Finding the Fourth Proportional to 9,237.87, 12,743.91 and 6,718.89

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Solution

The fourth proportional to 9,237.87, 12,743.91 and 6,718.89 is: 9,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,237.87 : 12,743.91 = 6,718.89 : x
  2. Step 2: Convert to fraction form
    9,237.87/12,743.91 = 6,718.89/x
  3. Step 3: Cross multiply
    9,237.87x = 12,743.91 × 6,718.89
  4. Step 4: Simplify right side
    9,237.87x = 85,624,929.46
  5. Step 5: Solve for x
    x = 85,624,929.46/9,237.87
  6. Step 6: Final answer
    x = 9,268.90

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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.