Home / 11,916.52-16,445.58-6,880.95

Finding the Fourth Proportional to 11,916.52, 16,445.58 and 6,880.95

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Solution

The fourth proportional to 11,916.52, 16,445.58 and 6,880.95 is: 9,496.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.52 : 16,445.58 = 6,880.95 : x
  2. Step 2: Convert to fraction form
    11,916.52/16,445.58 = 6,880.95/x
  3. Step 3: Cross multiply
    11,916.52x = 16,445.58 × 6,880.95
  4. Step 4: Simplify right side
    11,916.52x = 113,161,237.61
  5. Step 5: Solve for x
    x = 113,161,237.61/11,916.52
  6. Step 6: Final answer
    x = 9,496.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.