Home / 10,373.16-15,561.72-5,690.66

Finding the Fourth Proportional to 10,373.16, 15,561.72 and 5,690.66

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Solution

The fourth proportional to 10,373.16, 15,561.72 and 5,690.66 is: 8,537.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,373.16 : 15,561.72 = 5,690.66 : x
  2. Step 2: Convert to fraction form
    10,373.16/15,561.72 = 5,690.66/x
  3. Step 3: Cross multiply
    10,373.16x = 15,561.72 × 5,690.66
  4. Step 4: Simplify right side
    10,373.16x = 88,556,379.73
  5. Step 5: Solve for x
    x = 88,556,379.73/10,373.16
  6. Step 6: Final answer
    x = 8,537.07

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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.