Home / 10,206.48-14,083.80-5,729.32

Finding the Fourth Proportional to 10,206.48, 14,083.80 and 5,729.32

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Solution

The fourth proportional to 10,206.48, 14,083.80 and 5,729.32 is: 7,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.48 : 14,083.80 = 5,729.32 : x
  2. Step 2: Convert to fraction form
    10,206.48/14,083.80 = 5,729.32/x
  3. Step 3: Cross multiply
    10,206.48x = 14,083.80 × 5,729.32
  4. Step 4: Simplify right side
    10,206.48x = 80,690,597.02
  5. Step 5: Solve for x
    x = 80,690,597.02/10,206.48
  6. Step 6: Final answer
    x = 7,905.82

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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.