Home / 9,176.23-12,664.08-5,143.74

Finding the Fourth Proportional to 9,176.23, 12,664.08 and 5,143.74

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Solution

The fourth proportional to 9,176.23, 12,664.08 and 5,143.74 is: 7,098.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,176.23 : 12,664.08 = 5,143.74 : x
  2. Step 2: Convert to fraction form
    9,176.23/12,664.08 = 5,143.74/x
  3. Step 3: Cross multiply
    9,176.23x = 12,664.08 × 5,143.74
  4. Step 4: Simplify right side
    9,176.23x = 65,140,734.86
  5. Step 5: Solve for x
    x = 65,140,734.86/9,176.23
  6. Step 6: Final answer
    x = 7,098.86

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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.