Home / 10,088.16-13,921.22-5,611.56

Finding the Fourth Proportional to 10,088.16, 13,921.22 and 5,611.56

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Solution

The fourth proportional to 10,088.16, 13,921.22 and 5,611.56 is: 7,743.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.16 : 13,921.22 = 5,611.56 : x
  2. Step 2: Convert to fraction form
    10,088.16/13,921.22 = 5,611.56/x
  3. Step 3: Cross multiply
    10,088.16x = 13,921.22 × 5,611.56
  4. Step 4: Simplify right side
    10,088.16x = 78,119,733.25
  5. Step 5: Solve for x
    x = 78,119,733.25/10,088.16
  6. Step 6: Final answer
    x = 7,743.70

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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.