Home / 11,400.68-17,106.95-8,626.53

Finding the Fourth Proportional to 11,400.68, 17,106.95 and 8,626.53

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Solution

The fourth proportional to 11,400.68, 17,106.95 and 8,626.53 is: 12,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.68 : 17,106.95 = 8,626.53 : x
  2. Step 2: Convert to fraction form
    11,400.68/17,106.95 = 8,626.53/x
  3. Step 3: Cross multiply
    11,400.68x = 17,106.95 × 8,626.53
  4. Step 4: Simplify right side
    11,400.68x = 147,573,574.25
  5. Step 5: Solve for x
    x = 147,573,574.25/11,400.68
  6. Step 6: Final answer
    x = 12,944.28

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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.