Home / 10,165.97-14,027.76-5,918.40

Finding the Fourth Proportional to 10,165.97, 14,027.76 and 5,918.40

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Solution

The fourth proportional to 10,165.97, 14,027.76 and 5,918.40 is: 8,166.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,165.97 : 14,027.76 = 5,918.40 : x
  2. Step 2: Convert to fraction form
    10,165.97/14,027.76 = 5,918.40/x
  3. Step 3: Cross multiply
    10,165.97x = 14,027.76 × 5,918.40
  4. Step 4: Simplify right side
    10,165.97x = 83,021,894.78
  5. Step 5: Solve for x
    x = 83,021,894.78/10,165.97
  6. Step 6: Final answer
    x = 8,166.65

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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.