Home / 11,916.17-16,446.27-6,612.69

Finding the Fourth Proportional to 11,916.17, 16,446.27 and 6,612.69

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Solution

The fourth proportional to 11,916.17, 16,446.27 and 6,612.69 is: 9,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.17 : 16,446.27 = 6,612.69 : x
  2. Step 2: Convert to fraction form
    11,916.17/16,446.27 = 6,612.69/x
  3. Step 3: Cross multiply
    11,916.17x = 16,446.27 × 6,612.69
  4. Step 4: Simplify right side
    11,916.17x = 108,754,085.17
  5. Step 5: Solve for x
    x = 108,754,085.17/11,916.17
  6. Step 6: Final answer
    x = 9,126.60

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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.