Home / 8,302.38-11,457.28-4,576.38

Finding the Fourth Proportional to 8,302.38, 11,457.28 and 4,576.38

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Solution

The fourth proportional to 8,302.38, 11,457.28 and 4,576.38 is: 6,315.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.38 : 11,457.28 = 4,576.38 : x
  2. Step 2: Convert to fraction form
    8,302.38/11,457.28 = 4,576.38/x
  3. Step 3: Cross multiply
    8,302.38x = 11,457.28 × 4,576.38
  4. Step 4: Simplify right side
    8,302.38x = 52,432,867.05
  5. Step 5: Solve for x
    x = 52,432,867.05/8,302.38
  6. Step 6: Final answer
    x = 6,315.40

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Half scale
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Double scale
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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.