Home / 8,890.83-12,269.79-5,114.07

Finding the Fourth Proportional to 8,890.83, 12,269.79 and 5,114.07

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Solution

The fourth proportional to 8,890.83, 12,269.79 and 5,114.07 is: 7,057.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,890.83 : 12,269.79 = 5,114.07 : x
  2. Step 2: Convert to fraction form
    8,890.83/12,269.79 = 5,114.07/x
  3. Step 3: Cross multiply
    8,890.83x = 12,269.79 × 5,114.07
  4. Step 4: Simplify right side
    8,890.83x = 62,748,564.95
  5. Step 5: Solve for x
    x = 62,748,564.95/8,890.83
  6. Step 6: Final answer
    x = 7,057.67

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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.