Home / 10,435.64-15,653.45-2,538.14

Finding the Fourth Proportional to 10,435.64, 15,653.45 and 2,538.14

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Solution

The fourth proportional to 10,435.64, 15,653.45 and 2,538.14 is: 3,807.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,435.64 : 15,653.45 = 2,538.14 : x
  2. Step 2: Convert to fraction form
    10,435.64/15,653.45 = 2,538.14/x
  3. Step 3: Cross multiply
    10,435.64x = 15,653.45 × 2,538.14
  4. Step 4: Simplify right side
    10,435.64x = 39,730,575.66
  5. Step 5: Solve for x
    x = 39,730,575.66/10,435.64
  6. Step 6: Final answer
    x = 3,807.20

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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.