Home / 8,848.66-12,211.36-4,870.12

Finding the Fourth Proportional to 8,848.66, 12,211.36 and 4,870.12

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Solution

The fourth proportional to 8,848.66, 12,211.36 and 4,870.12 is: 6,720.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.66 : 12,211.36 = 4,870.12 : x
  2. Step 2: Convert to fraction form
    8,848.66/12,211.36 = 4,870.12/x
  3. Step 3: Cross multiply
    8,848.66x = 12,211.36 × 4,870.12
  4. Step 4: Simplify right side
    8,848.66x = 59,470,788.56
  5. Step 5: Solve for x
    x = 59,470,788.56/8,848.66
  6. Step 6: Final answer
    x = 6,720.88

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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.