Home / 8,251.50-11,386.04-5,269.08

Finding the Fourth Proportional to 8,251.50, 11,386.04 and 5,269.08

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Solution

The fourth proportional to 8,251.50, 11,386.04 and 5,269.08 is: 7,270.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.50 : 11,386.04 = 5,269.08 : x
  2. Step 2: Convert to fraction form
    8,251.50/11,386.04 = 5,269.08/x
  3. Step 3: Cross multiply
    8,251.50x = 11,386.04 × 5,269.08
  4. Step 4: Simplify right side
    8,251.50x = 59,993,898.71
  5. Step 5: Solve for x
    x = 59,993,898.71/8,251.50
  6. Step 6: Final answer
    x = 7,270.67

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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.