Home / 10,113.84-15,169.54-4,269.68

Finding the Fourth Proportional to 10,113.84, 15,169.54 and 4,269.68

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Solution

The fourth proportional to 10,113.84, 15,169.54 and 4,269.68 is: 6,404.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,113.84 : 15,169.54 = 4,269.68 : x
  2. Step 2: Convert to fraction form
    10,113.84/15,169.54 = 4,269.68/x
  3. Step 3: Cross multiply
    10,113.84x = 15,169.54 × 4,269.68
  4. Step 4: Simplify right side
    10,113.84x = 64,769,081.55
  5. Step 5: Solve for x
    x = 64,769,081.55/10,113.84
  6. Step 6: Final answer
    x = 6,404.00

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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.