Home / 11,916.51-16,444.39-7,199.97

Finding the Fourth Proportional to 11,916.51, 16,444.39 and 7,199.97

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Solution

The fourth proportional to 11,916.51, 16,444.39 and 7,199.97 is: 9,935.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.51 : 16,444.39 = 7,199.97 : x
  2. Step 2: Convert to fraction form
    11,916.51/16,444.39 = 7,199.97/x
  3. Step 3: Cross multiply
    11,916.51x = 16,444.39 × 7,199.97
  4. Step 4: Simplify right side
    11,916.51x = 118,399,114.67
  5. Step 5: Solve for x
    x = 118,399,114.67/11,916.51
  6. Step 6: Final answer
    x = 9,935.72

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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.