Home / 10,641.62-15,961.23-2,851.06

Finding the Fourth Proportional to 10,641.62, 15,961.23 and 2,851.06

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Solution

The fourth proportional to 10,641.62, 15,961.23 and 2,851.06 is: 4,276.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,641.62 : 15,961.23 = 2,851.06 : x
  2. Step 2: Convert to fraction form
    10,641.62/15,961.23 = 2,851.06/x
  3. Step 3: Cross multiply
    10,641.62x = 15,961.23 × 2,851.06
  4. Step 4: Simplify right side
    10,641.62x = 45,506,424.40
  5. Step 5: Solve for x
    x = 45,506,424.40/10,641.62
  6. Step 6: Final answer
    x = 4,276.27

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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.