Home / 11,123.64-15,367.29-7,304.34

Finding the Fourth Proportional to 11,123.64, 15,367.29 and 7,304.34

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Solution

The fourth proportional to 11,123.64, 15,367.29 and 7,304.34 is: 10,090.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,123.64 : 15,367.29 = 7,304.34 : x
  2. Step 2: Convert to fraction form
    11,123.64/15,367.29 = 7,304.34/x
  3. Step 3: Cross multiply
    11,123.64x = 15,367.29 × 7,304.34
  4. Step 4: Simplify right side
    11,123.64x = 112,247,873.24
  5. Step 5: Solve for x
    x = 112,247,873.24/11,123.64
  6. Step 6: Final answer
    x = 10,090.93

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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.