Home / 9,048.60-12,487.05-5,511.81

Finding the Fourth Proportional to 9,048.60, 12,487.05 and 5,511.81

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Solution

The fourth proportional to 9,048.60, 12,487.05 and 5,511.81 is: 7,606.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,048.60 : 12,487.05 = 5,511.81 : x
  2. Step 2: Convert to fraction form
    9,048.60/12,487.05 = 5,511.81/x
  3. Step 3: Cross multiply
    9,048.60x = 12,487.05 × 5,511.81
  4. Step 4: Simplify right side
    9,048.60x = 68,826,247.06
  5. Step 5: Solve for x
    x = 68,826,247.06/9,048.60
  6. Step 6: Final answer
    x = 7,606.29

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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.