Home / 9,429.32-13,012.56-5,237.56

Finding the Fourth Proportional to 9,429.32, 13,012.56 and 5,237.56

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Solution

The fourth proportional to 9,429.32, 13,012.56 and 5,237.56 is: 7,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.32 : 13,012.56 = 5,237.56 : x
  2. Step 2: Convert to fraction form
    9,429.32/13,012.56 = 5,237.56/x
  3. Step 3: Cross multiply
    9,429.32x = 13,012.56 × 5,237.56
  4. Step 4: Simplify right side
    9,429.32x = 68,154,063.75
  5. Step 5: Solve for x
    x = 68,154,063.75/9,429.32
  6. Step 6: Final answer
    x = 7,227.89

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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.