Home / 8,848.09-12,209.90-4,869.57

Finding the Fourth Proportional to 8,848.09, 12,209.90 and 4,869.57

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Solution

The fourth proportional to 8,848.09, 12,209.90 and 4,869.57 is: 6,719.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.09 : 12,209.90 = 4,869.57 : x
  2. Step 2: Convert to fraction form
    8,848.09/12,209.90 = 4,869.57/x
  3. Step 3: Cross multiply
    8,848.09x = 12,209.90 × 4,869.57
  4. Step 4: Simplify right side
    8,848.09x = 59,456,962.74
  5. Step 5: Solve for x
    x = 59,456,962.74/8,848.09
  6. Step 6: Final answer
    x = 6,719.75

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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.