Home / 10,569.40-15,848.10-3,995.80

Finding the Fourth Proportional to 10,569.40, 15,848.10 and 3,995.80

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Solution

The fourth proportional to 10,569.40, 15,848.10 and 3,995.80 is: 5,991.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,569.40 : 15,848.10 = 3,995.80 : x
  2. Step 2: Convert to fraction form
    10,569.40/15,848.10 = 3,995.80/x
  3. Step 3: Cross multiply
    10,569.40x = 15,848.10 × 3,995.80
  4. Step 4: Simplify right side
    10,569.40x = 63,325,837.98
  5. Step 5: Solve for x
    x = 63,325,837.98/10,569.40
  6. Step 6: Final answer
    x = 5,991.43

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1.5x scale

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.