Home / 11,298.58-15,572.57-7,514.98

Finding the Fourth Proportional to 11,298.58, 15,572.57 and 7,514.98

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Solution

The fourth proportional to 11,298.58, 15,572.57 and 7,514.98 is: 10,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.58 : 15,572.57 = 7,514.98 : x
  2. Step 2: Convert to fraction form
    11,298.58/15,572.57 = 7,514.98/x
  3. Step 3: Cross multiply
    11,298.58x = 15,572.57 × 7,514.98
  4. Step 4: Simplify right side
    11,298.58x = 117,027,626.60
  5. Step 5: Solve for x
    x = 117,027,626.60/11,298.58
  6. Step 6: Final answer
    x = 10,357.73

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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.