Home / 11,282.60-15,564.46-7,307.12

Finding the Fourth Proportional to 11,282.60, 15,564.46 and 7,307.12

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Solution

The fourth proportional to 11,282.60, 15,564.46 and 7,307.12 is: 10,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,282.60 : 15,564.46 = 7,307.12 : x
  2. Step 2: Convert to fraction form
    11,282.60/15,564.46 = 7,307.12/x
  3. Step 3: Cross multiply
    11,282.60x = 15,564.46 × 7,307.12
  4. Step 4: Simplify right side
    11,282.60x = 113,731,376.96
  5. Step 5: Solve for x
    x = 113,731,376.96/11,282.60
  6. Step 6: Final answer
    x = 10,080.25

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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.