Home / 11,578.20-15,973.60-7,601.52

Finding the Fourth Proportional to 11,578.20, 15,973.60 and 7,601.52

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Solution

The fourth proportional to 11,578.20, 15,973.60 and 7,601.52 is: 10,487.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,578.20 : 15,973.60 = 7,601.52 : x
  2. Step 2: Convert to fraction form
    11,578.20/15,973.60 = 7,601.52/x
  3. Step 3: Cross multiply
    11,578.20x = 15,973.60 × 7,601.52
  4. Step 4: Simplify right side
    11,578.20x = 121,423,639.87
  5. Step 5: Solve for x
    x = 121,423,639.87/11,578.20
  6. Step 6: Final answer
    x = 10,487.26

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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.