Home / 8,864.42-12,232.98-4,885.67

Finding the Fourth Proportional to 8,864.42, 12,232.98 and 4,885.67

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Solution

The fourth proportional to 8,864.42, 12,232.98 and 4,885.67 is: 6,742.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.42 : 12,232.98 = 4,885.67 : x
  2. Step 2: Convert to fraction form
    8,864.42/12,232.98 = 4,885.67/x
  3. Step 3: Cross multiply
    8,864.42x = 12,232.98 × 4,885.67
  4. Step 4: Simplify right side
    8,864.42x = 59,766,333.98
  5. Step 5: Solve for x
    x = 59,766,333.98/8,864.42
  6. Step 6: Final answer
    x = 6,742.27

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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.