Home / 8,750.07-12,074.22-5,212.62

Finding the Fourth Proportional to 8,750.07, 12,074.22 and 5,212.62

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Solution

The fourth proportional to 8,750.07, 12,074.22 and 5,212.62 is: 7,192.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,750.07 : 12,074.22 = 5,212.62 : x
  2. Step 2: Convert to fraction form
    8,750.07/12,074.22 = 5,212.62/x
  3. Step 3: Cross multiply
    8,750.07x = 12,074.22 × 5,212.62
  4. Step 4: Simplify right side
    8,750.07x = 62,938,320.66
  5. Step 5: Solve for x
    x = 62,938,320.66/8,750.07
  6. Step 6: Final answer
    x = 7,192.89

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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.