Home / 10,590.22-15,860.29-9,195.98

Finding the Fourth Proportional to 10,590.22, 15,860.29 and 9,195.98

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Solution

The fourth proportional to 10,590.22, 15,860.29 and 9,195.98 is: 13,772.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,590.22 : 15,860.29 = 9,195.98 : x
  2. Step 2: Convert to fraction form
    10,590.22/15,860.29 = 9,195.98/x
  3. Step 3: Cross multiply
    10,590.22x = 15,860.29 × 9,195.98
  4. Step 4: Simplify right side
    10,590.22x = 145,850,863.65
  5. Step 5: Solve for x
    x = 145,850,863.65/10,590.22
  6. Step 6: Final answer
    x = 13,772.22

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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.