Home / 7,451.10-11,176.65-2,256.30

Finding the Fourth Proportional to 7,451.10, 11,176.65 and 2,256.30

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Solution

The fourth proportional to 7,451.10, 11,176.65 and 2,256.30 is: 3,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.10 : 11,176.65 = 2,256.30 : x
  2. Step 2: Convert to fraction form
    7,451.10/11,176.65 = 2,256.30/x
  3. Step 3: Cross multiply
    7,451.10x = 11,176.65 × 2,256.30
  4. Step 4: Simplify right side
    7,451.10x = 25,217,875.40
  5. Step 5: Solve for x
    x = 25,217,875.40/7,451.10
  6. Step 6: Final answer
    x = 3,384.45

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Double scale
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Similar ratio
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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.