Home / 10,293.12-14,171.40-8,021.76

Finding the Fourth Proportional to 10,293.12, 14,171.40 and 8,021.76

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Solution

The fourth proportional to 10,293.12, 14,171.40 and 8,021.76 is: 11,044.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,293.12 : 14,171.40 = 8,021.76 : x
  2. Step 2: Convert to fraction form
    10,293.12/14,171.40 = 8,021.76/x
  3. Step 3: Cross multiply
    10,293.12x = 14,171.40 × 8,021.76
  4. Step 4: Simplify right side
    10,293.12x = 113,679,569.66
  5. Step 5: Solve for x
    x = 113,679,569.66/10,293.12
  6. Step 6: Final answer
    x = 11,044.23

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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.