Home / 11,470.16-15,828.36-6,754.64

Finding the Fourth Proportional to 11,470.16, 15,828.36 and 6,754.64

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Solution

The fourth proportional to 11,470.16, 15,828.36 and 6,754.64 is: 9,321.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,470.16 : 15,828.36 = 6,754.64 : x
  2. Step 2: Convert to fraction form
    11,470.16/15,828.36 = 6,754.64/x
  3. Step 3: Cross multiply
    11,470.16x = 15,828.36 × 6,754.64
  4. Step 4: Simplify right side
    11,470.16x = 106,914,873.59
  5. Step 5: Solve for x
    x = 106,914,873.59/11,470.16
  6. Step 6: Final answer
    x = 9,321.13

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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.