Home / 10,645.36-15,965.98-4,070.00

Finding the Fourth Proportional to 10,645.36, 15,965.98 and 4,070.00

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Solution

The fourth proportional to 10,645.36, 15,965.98 and 4,070.00 is: 6,104.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.36 : 15,965.98 = 4,070.00 : x
  2. Step 2: Convert to fraction form
    10,645.36/15,965.98 = 4,070.00/x
  3. Step 3: Cross multiply
    10,645.36x = 15,965.98 × 4,070.00
  4. Step 4: Simplify right side
    10,645.36x = 64,981,568.34
  5. Step 5: Solve for x
    x = 64,981,568.34/10,645.36
  6. Step 6: Final answer
    x = 6,104.22

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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.