Home / 10,913.87-16,373.54-3,518.17

Finding the Fourth Proportional to 10,913.87, 16,373.54 and 3,518.17

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Solution

The fourth proportional to 10,913.87, 16,373.54 and 3,518.17 is: 5,278.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,913.87 : 16,373.54 = 3,518.17 : x
  2. Step 2: Convert to fraction form
    10,913.87/16,373.54 = 3,518.17/x
  3. Step 3: Cross multiply
    10,913.87x = 16,373.54 × 3,518.17
  4. Step 4: Simplify right side
    10,913.87x = 57,604,865.08
  5. Step 5: Solve for x
    x = 57,604,865.08/10,913.87
  6. Step 6: Final answer
    x = 5,278.13

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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.