Home / 7,360.38-10,143.72-6,237.72

Finding the Fourth Proportional to 7,360.38, 10,143.72 and 6,237.72

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Solution

The fourth proportional to 7,360.38, 10,143.72 and 6,237.72 is: 8,596.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.38 : 10,143.72 = 6,237.72 : x
  2. Step 2: Convert to fraction form
    7,360.38/10,143.72 = 6,237.72/x
  3. Step 3: Cross multiply
    7,360.38x = 10,143.72 × 6,237.72
  4. Step 4: Simplify right side
    7,360.38x = 63,273,685.12
  5. Step 5: Solve for x
    x = 63,273,685.12/7,360.38
  6. Step 6: Final answer
    x = 8,596.52

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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.