Home / 11,134.70-15,358.64-7,506.84

Finding the Fourth Proportional to 11,134.70, 15,358.64 and 7,506.84

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Solution

The fourth proportional to 11,134.70, 15,358.64 and 7,506.84 is: 10,354.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.70 : 15,358.64 = 7,506.84 : x
  2. Step 2: Convert to fraction form
    11,134.70/15,358.64 = 7,506.84/x
  3. Step 3: Cross multiply
    11,134.70x = 15,358.64 × 7,506.84
  4. Step 4: Simplify right side
    11,134.70x = 115,294,853.10
  5. Step 5: Solve for x
    x = 115,294,853.10/11,134.70
  6. Step 6: Final answer
    x = 10,354.55

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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.