Home / 10,281.84-15,412.95-4,738.92

Finding the Fourth Proportional to 10,281.84, 15,412.95 and 4,738.92

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Solution

The fourth proportional to 10,281.84, 15,412.95 and 4,738.92 is: 7,103.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.84 : 15,412.95 = 4,738.92 : x
  2. Step 2: Convert to fraction form
    10,281.84/15,412.95 = 4,738.92/x
  3. Step 3: Cross multiply
    10,281.84x = 15,412.95 × 4,738.92
  4. Step 4: Simplify right side
    10,281.84x = 73,040,737.01
  5. Step 5: Solve for x
    x = 73,040,737.01/10,281.84
  6. Step 6: Final answer
    x = 7,103.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.