Home / 10,353.99-14,288.68-5,877.87

Finding the Fourth Proportional to 10,353.99, 14,288.68 and 5,877.87

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Solution

The fourth proportional to 10,353.99, 14,288.68 and 5,877.87 is: 8,111.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.99 : 14,288.68 = 5,877.87 : x
  2. Step 2: Convert to fraction form
    10,353.99/14,288.68 = 5,877.87/x
  3. Step 3: Cross multiply
    10,353.99x = 14,288.68 × 5,877.87
  4. Step 4: Simplify right side
    10,353.99x = 83,986,974.12
  5. Step 5: Solve for x
    x = 83,986,974.12/10,353.99
  6. Step 6: Final answer
    x = 8,111.56

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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.