Home / 10,175.66-14,040.78-5,699.60

Finding the Fourth Proportional to 10,175.66, 14,040.78 and 5,699.60

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Solution

The fourth proportional to 10,175.66, 14,040.78 and 5,699.60 is: 7,864.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,175.66 : 14,040.78 = 5,699.60 : x
  2. Step 2: Convert to fraction form
    10,175.66/14,040.78 = 5,699.60/x
  3. Step 3: Cross multiply
    10,175.66x = 14,040.78 × 5,699.60
  4. Step 4: Simplify right side
    10,175.66x = 80,026,790.76
  5. Step 5: Solve for x
    x = 80,026,790.76/10,175.66
  6. Step 6: Final answer
    x = 7,864.53

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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.