Home / 10,224.09-14,104.46-6,638.76

Finding the Fourth Proportional to 10,224.09, 14,104.46 and 6,638.76

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Solution

The fourth proportional to 10,224.09, 14,104.46 and 6,638.76 is: 9,158.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.09 : 14,104.46 = 6,638.76 : x
  2. Step 2: Convert to fraction form
    10,224.09/14,104.46 = 6,638.76/x
  3. Step 3: Cross multiply
    10,224.09x = 14,104.46 × 6,638.76
  4. Step 4: Simplify right side
    10,224.09x = 93,636,141.47
  5. Step 5: Solve for x
    x = 93,636,141.47/10,224.09
  6. Step 6: Final answer
    x = 9,158.38

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.