Home / 10,967.44-15,135.04-5,931.65

Finding the Fourth Proportional to 10,967.44, 15,135.04 and 5,931.65

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Solution

The fourth proportional to 10,967.44, 15,135.04 and 5,931.65 is: 8,185.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,967.44 : 15,135.04 = 5,931.65 : x
  2. Step 2: Convert to fraction form
    10,967.44/15,135.04 = 5,931.65/x
  3. Step 3: Cross multiply
    10,967.44x = 15,135.04 × 5,931.65
  4. Step 4: Simplify right side
    10,967.44x = 89,775,760.02
  5. Step 5: Solve for x
    x = 89,775,760.02/10,967.44
  6. Step 6: Final answer
    x = 8,185.66

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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.