Home / 10,239.39-14,127.60-6,206.19

Finding the Fourth Proportional to 10,239.39, 14,127.60 and 6,206.19

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Solution

The fourth proportional to 10,239.39, 14,127.60 and 6,206.19 is: 8,562.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.39 : 14,127.60 = 6,206.19 : x
  2. Step 2: Convert to fraction form
    10,239.39/14,127.60 = 6,206.19/x
  3. Step 3: Cross multiply
    10,239.39x = 14,127.60 × 6,206.19
  4. Step 4: Simplify right side
    10,239.39x = 87,678,569.84
  5. Step 5: Solve for x
    x = 87,678,569.84/10,239.39
  6. Step 6: Final answer
    x = 8,562.87

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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.