Home / 10,071.19-13,901.99-8,649.17

Finding the Fourth Proportional to 10,071.19, 13,901.99 and 8,649.17

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Solution

The fourth proportional to 10,071.19, 13,901.99 and 8,649.17 is: 11,939.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.19 : 13,901.99 = 8,649.17 : x
  2. Step 2: Convert to fraction form
    10,071.19/13,901.99 = 8,649.17/x
  3. Step 3: Cross multiply
    10,071.19x = 13,901.99 × 8,649.17
  4. Step 4: Simplify right side
    10,071.19x = 120,240,662.88
  5. Step 5: Solve for x
    x = 120,240,662.88/10,071.19
  6. Step 6: Final answer
    x = 11,939.07

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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.