Home / 15,108.72-22,663.08-5,746.58

Finding the Fourth Proportional to 15,108.72, 22,663.08 and 5,746.58

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Solution

The fourth proportional to 15,108.72, 22,663.08 and 5,746.58 is: 8,619.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,108.72 : 22,663.08 = 5,746.58 : x
  2. Step 2: Convert to fraction form
    15,108.72/22,663.08 = 5,746.58/x
  3. Step 3: Cross multiply
    15,108.72x = 22,663.08 × 5,746.58
  4. Step 4: Simplify right side
    15,108.72x = 130,235,142.22
  5. Step 5: Solve for x
    x = 130,235,142.22/15,108.72
  6. Step 6: Final answer
    x = 8,619.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.