Home / 9,916.59-14,865.30-3,339.20

Finding the Fourth Proportional to 9,916.59, 14,865.30 and 3,339.20

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Solution

The fourth proportional to 9,916.59, 14,865.30 and 3,339.20 is: 5,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,916.59 : 14,865.30 = 3,339.20 : x
  2. Step 2: Convert to fraction form
    9,916.59/14,865.30 = 3,339.20/x
  3. Step 3: Cross multiply
    9,916.59x = 14,865.30 × 3,339.20
  4. Step 4: Simplify right side
    9,916.59x = 49,638,135.43
  5. Step 5: Solve for x
    x = 49,638,135.43/9,916.59
  6. Step 6: Final answer
    x = 5,005.56

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1.5x scale

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.