Home / 8,848.61-12,211.16-4,869.81

Finding the Fourth Proportional to 8,848.61, 12,211.16 and 4,869.81

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Solution

The fourth proportional to 8,848.61, 12,211.16 and 4,869.81 is: 6,720.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.61 : 12,211.16 = 4,869.81 : x
  2. Step 2: Convert to fraction form
    8,848.61/12,211.16 = 4,869.81/x
  3. Step 3: Cross multiply
    8,848.61x = 12,211.16 × 4,869.81
  4. Step 4: Simplify right side
    8,848.61x = 59,466,029.08
  5. Step 5: Solve for x
    x = 59,466,029.08/8,848.61
  6. Step 6: Final answer
    x = 6,720.38

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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.