Home / 8,858.70-12,226.68-5,502.87

Finding the Fourth Proportional to 8,858.70, 12,226.68 and 5,502.87

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Solution

The fourth proportional to 8,858.70, 12,226.68 and 5,502.87 is: 7,595.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.70 : 12,226.68 = 5,502.87 : x
  2. Step 2: Convert to fraction form
    8,858.70/12,226.68 = 5,502.87/x
  3. Step 3: Cross multiply
    8,858.70x = 12,226.68 × 5,502.87
  4. Step 4: Simplify right side
    8,858.70x = 67,281,830.57
  5. Step 5: Solve for x
    x = 67,281,830.57/8,858.70
  6. Step 6: Final answer
    x = 7,595.00

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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.