Home / 8,698.46-12,001.84-5,871.08

Finding the Fourth Proportional to 8,698.46, 12,001.84 and 5,871.08

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Solution

The fourth proportional to 8,698.46, 12,001.84 and 5,871.08 is: 8,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.46 : 12,001.84 = 5,871.08 : x
  2. Step 2: Convert to fraction form
    8,698.46/12,001.84 = 5,871.08/x
  3. Step 3: Cross multiply
    8,698.46x = 12,001.84 × 5,871.08
  4. Step 4: Simplify right side
    8,698.46x = 70,463,778.11
  5. Step 5: Solve for x
    x = 70,463,778.11/8,698.46
  6. Step 6: Final answer
    x = 8,100.72

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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.