Home / 10,005.68-13,807.45-5,758.11

Finding the Fourth Proportional to 10,005.68, 13,807.45 and 5,758.11

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Solution

The fourth proportional to 10,005.68, 13,807.45 and 5,758.11 is: 7,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.68 : 13,807.45 = 5,758.11 : x
  2. Step 2: Convert to fraction form
    10,005.68/13,807.45 = 5,758.11/x
  3. Step 3: Cross multiply
    10,005.68x = 13,807.45 × 5,758.11
  4. Step 4: Simplify right side
    10,005.68x = 79,504,834.75
  5. Step 5: Solve for x
    x = 79,504,834.75/10,005.68
  6. Step 6: Final answer
    x = 7,945.97

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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.