Home / 10,341.41-15,511.28-3,319.54

Finding the Fourth Proportional to 10,341.41, 15,511.28 and 3,319.54

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Solution

The fourth proportional to 10,341.41, 15,511.28 and 3,319.54 is: 4,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.41 : 15,511.28 = 3,319.54 : x
  2. Step 2: Convert to fraction form
    10,341.41/15,511.28 = 3,319.54/x
  3. Step 3: Cross multiply
    10,341.41x = 15,511.28 × 3,319.54
  4. Step 4: Simplify right side
    10,341.41x = 51,490,259.04
  5. Step 5: Solve for x
    x = 51,490,259.04/10,341.41
  6. Step 6: Final answer
    x = 4,979.04

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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.