Home / 11,580.93-15,981.57-6,275.66

Finding the Fourth Proportional to 11,580.93, 15,981.57 and 6,275.66

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Solution

The fourth proportional to 11,580.93, 15,981.57 and 6,275.66 is: 8,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,580.93 : 15,981.57 = 6,275.66 : x
  2. Step 2: Convert to fraction form
    11,580.93/15,981.57 = 6,275.66/x
  3. Step 3: Cross multiply
    11,580.93x = 15,981.57 × 6,275.66
  4. Step 4: Simplify right side
    11,580.93x = 100,294,819.68
  5. Step 5: Solve for x
    x = 100,294,819.68/11,580.93
  6. Step 6: Final answer
    x = 8,660.34

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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.