Home / 10,380.11-14,326.38-6,130.89

Finding the Fourth Proportional to 10,380.11, 14,326.38 and 6,130.89

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Solution

The fourth proportional to 10,380.11, 14,326.38 and 6,130.89 is: 8,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,380.11 : 14,326.38 = 6,130.89 : x
  2. Step 2: Convert to fraction form
    10,380.11/14,326.38 = 6,130.89/x
  3. Step 3: Cross multiply
    10,380.11x = 14,326.38 × 6,130.89
  4. Step 4: Simplify right side
    10,380.11x = 87,833,459.88
  5. Step 5: Solve for x
    x = 87,833,459.88/10,380.11
  6. Step 6: Final answer
    x = 8,461.71

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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.