Home / 8,723.66-12,033.52-5,488.34

Finding the Fourth Proportional to 8,723.66, 12,033.52 and 5,488.34

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Solution

The fourth proportional to 8,723.66, 12,033.52 and 5,488.34 is: 7,570.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.66 : 12,033.52 = 5,488.34 : x
  2. Step 2: Convert to fraction form
    8,723.66/12,033.52 = 5,488.34/x
  3. Step 3: Cross multiply
    8,723.66x = 12,033.52 × 5,488.34
  4. Step 4: Simplify right side
    8,723.66x = 66,043,988.99
  5. Step 5: Solve for x
    x = 66,043,988.99/8,723.66
  6. Step 6: Final answer
    x = 7,570.67

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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.