Home / 10,370.18-15,561.75-7,553.82

Finding the Fourth Proportional to 10,370.18, 15,561.75 and 7,553.82

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Solution

The fourth proportional to 10,370.18, 15,561.75 and 7,553.82 is: 11,335.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,370.18 : 15,561.75 = 7,553.82 : x
  2. Step 2: Convert to fraction form
    10,370.18/15,561.75 = 7,553.82/x
  3. Step 3: Cross multiply
    10,370.18x = 15,561.75 × 7,553.82
  4. Step 4: Simplify right side
    10,370.18x = 117,550,658.39
  5. Step 5: Solve for x
    x = 117,550,658.39/10,370.18
  6. Step 6: Final answer
    x = 11,335.45

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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.