Home / 10,356.10-15,534.15-2,960.80

Finding the Fourth Proportional to 10,356.10, 15,534.15 and 2,960.80

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Solution

The fourth proportional to 10,356.10, 15,534.15 and 2,960.80 is: 4,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.10 : 15,534.15 = 2,960.80 : x
  2. Step 2: Convert to fraction form
    10,356.10/15,534.15 = 2,960.80/x
  3. Step 3: Cross multiply
    10,356.10x = 15,534.15 × 2,960.80
  4. Step 4: Simplify right side
    10,356.10x = 45,993,511.32
  5. Step 5: Solve for x
    x = 45,993,511.32/10,356.10
  6. Step 6: Final answer
    x = 4,441.20

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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.