Home / 11,542.76-15,929-6,237.58

Finding the Fourth Proportional to 11,542.76, 15,929 and 6,237.58

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Solution

The fourth proportional to 11,542.76, 15,929 and 6,237.58 is: 8,607.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.76 : 15,929 = 6,237.58 : x
  2. Step 2: Convert to fraction form
    11,542.76/15,929 = 6,237.58/x
  3. Step 3: Cross multiply
    11,542.76x = 15,929 × 6,237.58
  4. Step 4: Simplify right side
    11,542.76x = 99,358,411.82
  5. Step 5: Solve for x
    x = 99,358,411.82/11,542.76
  6. Step 6: Final answer
    x = 8,607.86

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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.