Home / 10,265.74-14,166.80-5,666.66

Finding the Fourth Proportional to 10,265.74, 14,166.80 and 5,666.66

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Solution

The fourth proportional to 10,265.74, 14,166.80 and 5,666.66 is: 7,820.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,265.74 : 14,166.80 = 5,666.66 : x
  2. Step 2: Convert to fraction form
    10,265.74/14,166.80 = 5,666.66/x
  3. Step 3: Cross multiply
    10,265.74x = 14,166.80 × 5,666.66
  4. Step 4: Simplify right side
    10,265.74x = 80,278,414.10
  5. Step 5: Solve for x
    x = 80,278,414.10/10,265.74
  6. Step 6: Final answer
    x = 7,820.03

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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.