Home / 10,169.98-15,253.40-2,775.04

Finding the Fourth Proportional to 10,169.98, 15,253.40 and 2,775.04

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Solution

The fourth proportional to 10,169.98, 15,253.40 and 2,775.04 is: 4,162.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,169.98 : 15,253.40 = 2,775.04 : x
  2. Step 2: Convert to fraction form
    10,169.98/15,253.40 = 2,775.04/x
  3. Step 3: Cross multiply
    10,169.98x = 15,253.40 × 2,775.04
  4. Step 4: Simplify right side
    10,169.98x = 42,328,795.14
  5. Step 5: Solve for x
    x = 42,328,795.14/10,169.98
  6. Step 6: Final answer
    x = 4,162.13

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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.