Home / 11,223.47-15,488.50-6,187.89

Finding the Fourth Proportional to 11,223.47, 15,488.50 and 6,187.89

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Solution

The fourth proportional to 11,223.47, 15,488.50 and 6,187.89 is: 8,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.47 : 15,488.50 = 6,187.89 : x
  2. Step 2: Convert to fraction form
    11,223.47/15,488.50 = 6,187.89/x
  3. Step 3: Cross multiply
    11,223.47x = 15,488.50 × 6,187.89
  4. Step 4: Simplify right side
    11,223.47x = 95,841,214.58
  5. Step 5: Solve for x
    x = 95,841,214.58/11,223.47
  6. Step 6: Final answer
    x = 8,539.35

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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.