Home / 8,056.59-11,120.85-4,871.67

Finding the Fourth Proportional to 8,056.59, 11,120.85 and 4,871.67

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Solution

The fourth proportional to 8,056.59, 11,120.85 and 4,871.67 is: 6,724.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,056.59 : 11,120.85 = 4,871.67 : x
  2. Step 2: Convert to fraction form
    8,056.59/11,120.85 = 4,871.67/x
  3. Step 3: Cross multiply
    8,056.59x = 11,120.85 × 4,871.67
  4. Step 4: Simplify right side
    8,056.59x = 54,177,111.32
  5. Step 5: Solve for x
    x = 54,177,111.32/8,056.59
  6. Step 6: Final answer
    x = 6,724.57

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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.