Home / 10,438.28-14,404.95-5,722.46

Finding the Fourth Proportional to 10,438.28, 14,404.95 and 5,722.46

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Solution

The fourth proportional to 10,438.28, 14,404.95 and 5,722.46 is: 7,897.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.28 : 14,404.95 = 5,722.46 : x
  2. Step 2: Convert to fraction form
    10,438.28/14,404.95 = 5,722.46/x
  3. Step 3: Cross multiply
    10,438.28x = 14,404.95 × 5,722.46
  4. Step 4: Simplify right side
    10,438.28x = 82,431,750.18
  5. Step 5: Solve for x
    x = 82,431,750.18/10,438.28
  6. Step 6: Final answer
    x = 7,897.06

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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.