Home / 10,408.28-14,358.39-6,158.18

Finding the Fourth Proportional to 10,408.28, 14,358.39 and 6,158.18

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Solution

The fourth proportional to 10,408.28, 14,358.39 and 6,158.18 is: 8,495.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,408.28 : 14,358.39 = 6,158.18 : x
  2. Step 2: Convert to fraction form
    10,408.28/14,358.39 = 6,158.18/x
  3. Step 3: Cross multiply
    10,408.28x = 14,358.39 × 6,158.18
  4. Step 4: Simplify right side
    10,408.28x = 88,421,550.13
  5. Step 5: Solve for x
    x = 88,421,550.13/10,408.28
  6. Step 6: Final answer
    x = 8,495.31

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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.