Home / 9,275.84-13,904.96-3,428.48

Finding the Fourth Proportional to 9,275.84, 13,904.96 and 3,428.48

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Solution

The fourth proportional to 9,275.84, 13,904.96 and 3,428.48 is: 5,139.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,275.84 : 13,904.96 = 3,428.48 : x
  2. Step 2: Convert to fraction form
    9,275.84/13,904.96 = 3,428.48/x
  3. Step 3: Cross multiply
    9,275.84x = 13,904.96 × 3,428.48
  4. Step 4: Simplify right side
    9,275.84x = 47,672,877.26
  5. Step 5: Solve for x
    x = 47,672,877.26/9,275.84
  6. Step 6: Final answer
    x = 5,139.47

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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.