Home / 11,568.25-15,964.20-7,378.93

Finding the Fourth Proportional to 11,568.25, 15,964.20 and 7,378.93

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Solution

The fourth proportional to 11,568.25, 15,964.20 and 7,378.93 is: 10,182.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.25 : 15,964.20 = 7,378.93 : x
  2. Step 2: Convert to fraction form
    11,568.25/15,964.20 = 7,378.93/x
  3. Step 3: Cross multiply
    11,568.25x = 15,964.20 × 7,378.93
  4. Step 4: Simplify right side
    11,568.25x = 117,798,714.31
  5. Step 5: Solve for x
    x = 117,798,714.31/11,568.25
  6. Step 6: Final answer
    x = 10,182.93

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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.