Home / 10,282.98-15,421.29-3,708.32

Finding the Fourth Proportional to 10,282.98, 15,421.29 and 3,708.32

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Solution

The fourth proportional to 10,282.98, 15,421.29 and 3,708.32 is: 5,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,282.98 : 15,421.29 = 3,708.32 : x
  2. Step 2: Convert to fraction form
    10,282.98/15,421.29 = 3,708.32/x
  3. Step 3: Cross multiply
    10,282.98x = 15,421.29 × 3,708.32
  4. Step 4: Simplify right side
    10,282.98x = 57,186,987.12
  5. Step 5: Solve for x
    x = 57,186,987.12/10,282.98
  6. Step 6: Final answer
    x = 5,561.32

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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.