Home / 10,707.40-14,776.68-5,991.76

Finding the Fourth Proportional to 10,707.40, 14,776.68 and 5,991.76

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Solution

The fourth proportional to 10,707.40, 14,776.68 and 5,991.76 is: 8,268.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,707.40 : 14,776.68 = 5,991.76 : x
  2. Step 2: Convert to fraction form
    10,707.40/14,776.68 = 5,991.76/x
  3. Step 3: Cross multiply
    10,707.40x = 14,776.68 × 5,991.76
  4. Step 4: Simplify right side
    10,707.40x = 88,538,320.16
  5. Step 5: Solve for x
    x = 88,538,320.16/10,707.40
  6. Step 6: Final answer
    x = 8,268.89

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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.