Home / 8,849.93-12,212.76-4,871.06

Finding the Fourth Proportional to 8,849.93, 12,212.76 and 4,871.06

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Solution

The fourth proportional to 8,849.93, 12,212.76 and 4,871.06 is: 6,721.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.93 : 12,212.76 = 4,871.06 : x
  2. Step 2: Convert to fraction form
    8,849.93/12,212.76 = 4,871.06/x
  3. Step 3: Cross multiply
    8,849.93x = 12,212.76 × 4,871.06
  4. Step 4: Simplify right side
    8,849.93x = 59,489,025.66
  5. Step 5: Solve for x
    x = 59,489,025.66/8,849.93
  6. Step 6: Final answer
    x = 6,721.98

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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.