Home / 10,455.11-14,423.23-6,676.38

Finding the Fourth Proportional to 10,455.11, 14,423.23 and 6,676.38

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Solution

The fourth proportional to 10,455.11, 14,423.23 and 6,676.38 is: 9,210.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.11 : 14,423.23 = 6,676.38 : x
  2. Step 2: Convert to fraction form
    10,455.11/14,423.23 = 6,676.38/x
  3. Step 3: Cross multiply
    10,455.11x = 14,423.23 × 6,676.38
  4. Step 4: Simplify right side
    10,455.11x = 96,294,965.39
  5. Step 5: Solve for x
    x = 96,294,965.39/10,455.11
  6. Step 6: Final answer
    x = 9,210.33

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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.