Home / 11,427.16-15,768.66-6,710.80

Finding the Fourth Proportional to 11,427.16, 15,768.66 and 6,710.80

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Solution

The fourth proportional to 11,427.16, 15,768.66 and 6,710.80 is: 9,260.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,427.16 : 15,768.66 = 6,710.80 : x
  2. Step 2: Convert to fraction form
    11,427.16/15,768.66 = 6,710.80/x
  3. Step 3: Cross multiply
    11,427.16x = 15,768.66 × 6,710.80
  4. Step 4: Simplify right side
    11,427.16x = 105,820,323.53
  5. Step 5: Solve for x
    x = 105,820,323.53/11,427.16
  6. Step 6: Final answer
    x = 9,260.42

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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.