Home / 10,401.12-14,354.28-6,155.64

Finding the Fourth Proportional to 10,401.12, 14,354.28 and 6,155.64

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Solution

The fourth proportional to 10,401.12, 14,354.28 and 6,155.64 is: 8,495.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,401.12 : 14,354.28 = 6,155.64 : x
  2. Step 2: Convert to fraction form
    10,401.12/14,354.28 = 6,155.64/x
  3. Step 3: Cross multiply
    10,401.12x = 14,354.28 × 6,155.64
  4. Step 4: Simplify right side
    10,401.12x = 88,359,780.14
  5. Step 5: Solve for x
    x = 88,359,780.14/10,401.12
  6. Step 6: Final answer
    x = 8,495.22

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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.