Home / 9,276.48-13,916.16-3,120

Finding the Fourth Proportional to 9,276.48, 13,916.16 and 3,120

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Solution

The fourth proportional to 9,276.48, 13,916.16 and 3,120 is: 4,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,276.48 : 13,916.16 = 3,120 : x
  2. Step 2: Convert to fraction form
    9,276.48/13,916.16 = 3,120/x
  3. Step 3: Cross multiply
    9,276.48x = 13,916.16 × 3,120
  4. Step 4: Simplify right side
    9,276.48x = 43,418,419.20
  5. Step 5: Solve for x
    x = 43,418,419.20/9,276.48
  6. Step 6: Final answer
    x = 4,680.48

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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.