Home / 11,348.05-15,660.16-6,312.25

Finding the Fourth Proportional to 11,348.05, 15,660.16 and 6,312.25

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Solution

The fourth proportional to 11,348.05, 15,660.16 and 6,312.25 is: 8,710.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,348.05 : 15,660.16 = 6,312.25 : x
  2. Step 2: Convert to fraction form
    11,348.05/15,660.16 = 6,312.25/x
  3. Step 3: Cross multiply
    11,348.05x = 15,660.16 × 6,312.25
  4. Step 4: Simplify right side
    11,348.05x = 98,850,844.96
  5. Step 5: Solve for x
    x = 98,850,844.96/11,348.05
  6. Step 6: Final answer
    x = 8,710.82

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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.