Home / 10,051.32-15,071.46-7,984.56

Finding the Fourth Proportional to 10,051.32, 15,071.46 and 7,984.56

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Solution

The fourth proportional to 10,051.32, 15,071.46 and 7,984.56 is: 11,972.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,051.32 : 15,071.46 = 7,984.56 : x
  2. Step 2: Convert to fraction form
    10,051.32/15,071.46 = 7,984.56/x
  3. Step 3: Cross multiply
    10,051.32x = 15,071.46 × 7,984.56
  4. Step 4: Simplify right side
    10,051.32x = 120,338,976.66
  5. Step 5: Solve for x
    x = 120,338,976.66/10,051.32
  6. Step 6: Final answer
    x = 11,972.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.