Home / 9,110.25-12,579.74-6,135.93

Finding the Fourth Proportional to 9,110.25, 12,579.74 and 6,135.93

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Solution

The fourth proportional to 9,110.25, 12,579.74 and 6,135.93 is: 8,472.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,110.25 : 12,579.74 = 6,135.93 : x
  2. Step 2: Convert to fraction form
    9,110.25/12,579.74 = 6,135.93/x
  3. Step 3: Cross multiply
    9,110.25x = 12,579.74 × 6,135.93
  4. Step 4: Simplify right side
    9,110.25x = 77,188,373.38
  5. Step 5: Solve for x
    x = 77,188,373.38/9,110.25
  6. Step 6: Final answer
    x = 8,472.70

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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.