Home / 7,661.25-11,488.08-4,499.48

Finding the Fourth Proportional to 7,661.25, 11,488.08 and 4,499.48

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Solution

The fourth proportional to 7,661.25, 11,488.08 and 4,499.48 is: 6,746.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,661.25 : 11,488.08 = 4,499.48 : x
  2. Step 2: Convert to fraction form
    7,661.25/11,488.08 = 4,499.48/x
  3. Step 3: Cross multiply
    7,661.25x = 11,488.08 × 4,499.48
  4. Step 4: Simplify right side
    7,661.25x = 51,690,328.76
  5. Step 5: Solve for x
    x = 51,690,328.76/7,661.25
  6. Step 6: Final answer
    x = 6,746.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.