Home / 10,650.13-15,979.60-4,411.41

Finding the Fourth Proportional to 10,650.13, 15,979.60 and 4,411.41

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Solution

The fourth proportional to 10,650.13, 15,979.60 and 4,411.41 is: 6,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,650.13 : 15,979.60 = 4,411.41 : x
  2. Step 2: Convert to fraction form
    10,650.13/15,979.60 = 4,411.41/x
  3. Step 3: Cross multiply
    10,650.13x = 15,979.60 × 4,411.41
  4. Step 4: Simplify right side
    10,650.13x = 70,492,465.28
  5. Step 5: Solve for x
    x = 70,492,465.28/10,650.13
  6. Step 6: Final answer
    x = 6,618.93

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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.