Home / 10,429.32-15,642.36-3,032.25

Finding the Fourth Proportional to 10,429.32, 15,642.36 and 3,032.25

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Solution

The fourth proportional to 10,429.32, 15,642.36 and 3,032.25 is: 4,547.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,429.32 : 15,642.36 = 3,032.25 : x
  2. Step 2: Convert to fraction form
    10,429.32/15,642.36 = 3,032.25/x
  3. Step 3: Cross multiply
    10,429.32x = 15,642.36 × 3,032.25
  4. Step 4: Simplify right side
    10,429.32x = 47,431,546.11
  5. Step 5: Solve for x
    x = 47,431,546.11/10,429.32
  6. Step 6: Final answer
    x = 4,547.90

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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.