Home / 11,118.28-15,304.26-10,068.52

Finding the Fourth Proportional to 11,118.28, 15,304.26 and 10,068.52

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Solution

The fourth proportional to 11,118.28, 15,304.26 and 10,068.52 is: 13,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.28 : 15,304.26 = 10,068.52 : x
  2. Step 2: Convert to fraction form
    11,118.28/15,304.26 = 10,068.52/x
  3. Step 3: Cross multiply
    11,118.28x = 15,304.26 × 10,068.52
  4. Step 4: Simplify right side
    11,118.28x = 154,091,247.90
  5. Step 5: Solve for x
    x = 154,091,247.90/11,118.28
  6. Step 6: Final answer
    x = 13,859.27

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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.