Home / 11,298.75-16,948.13-3,090.75

Finding the Fourth Proportional to 11,298.75, 16,948.13 and 3,090.75

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Solution

The fourth proportional to 11,298.75, 16,948.13 and 3,090.75 is: 4,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,298.75 : 16,948.13 = 3,090.75 : x
  2. Step 2: Convert to fraction form
    11,298.75/16,948.13 = 3,090.75/x
  3. Step 3: Cross multiply
    11,298.75x = 16,948.13 × 3,090.75
  4. Step 4: Simplify right side
    11,298.75x = 52,382,432.80
  5. Step 5: Solve for x
    x = 52,382,432.80/11,298.75
  6. Step 6: Final answer
    x = 4,636.13

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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.