Home / 10,976.98-15,148.07-6,261.34

Finding the Fourth Proportional to 10,976.98, 15,148.07 and 6,261.34

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Solution

The fourth proportional to 10,976.98, 15,148.07 and 6,261.34 is: 8,640.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.98 : 15,148.07 = 6,261.34 : x
  2. Step 2: Convert to fraction form
    10,976.98/15,148.07 = 6,261.34/x
  3. Step 3: Cross multiply
    10,976.98x = 15,148.07 × 6,261.34
  4. Step 4: Simplify right side
    10,976.98x = 94,847,156.53
  5. Step 5: Solve for x
    x = 94,847,156.53/10,976.98
  6. Step 6: Final answer
    x = 8,640.56

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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.