Home / 11,307.46-15,601.20-7,059.19

Finding the Fourth Proportional to 11,307.46, 15,601.20 and 7,059.19

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Solution

The fourth proportional to 11,307.46, 15,601.20 and 7,059.19 is: 9,739.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,307.46 : 15,601.20 = 7,059.19 : x
  2. Step 2: Convert to fraction form
    11,307.46/15,601.20 = 7,059.19/x
  3. Step 3: Cross multiply
    11,307.46x = 15,601.20 × 7,059.19
  4. Step 4: Simplify right side
    11,307.46x = 110,131,835.03
  5. Step 5: Solve for x
    x = 110,131,835.03/11,307.46
  6. Step 6: Final answer
    x = 9,739.75

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Half scale
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Double scale
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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.