Home / 11,584.20-15,981.88-7,607.52

Finding the Fourth Proportional to 11,584.20, 15,981.88 and 7,607.52

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Solution

The fourth proportional to 11,584.20, 15,981.88 and 7,607.52 is: 10,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,584.20 : 15,981.88 = 7,607.52 : x
  2. Step 2: Convert to fraction form
    11,584.20/15,981.88 = 7,607.52/x
  3. Step 3: Cross multiply
    11,584.20x = 15,981.88 × 7,607.52
  4. Step 4: Simplify right side
    11,584.20x = 121,582,471.74
  5. Step 5: Solve for x
    x = 121,582,471.74/11,584.20
  6. Step 6: Final answer
    x = 10,495.54

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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.