Home / 11,486.36-15,839.51-10,816.66

Finding the Fourth Proportional to 11,486.36, 15,839.51 and 10,816.66

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Solution

The fourth proportional to 11,486.36, 15,839.51 and 10,816.66 is: 14,916.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.36 : 15,839.51 = 10,816.66 : x
  2. Step 2: Convert to fraction form
    11,486.36/15,839.51 = 10,816.66/x
  3. Step 3: Cross multiply
    11,486.36x = 15,839.51 × 10,816.66
  4. Step 4: Simplify right side
    11,486.36x = 171,330,594.24
  5. Step 5: Solve for x
    x = 171,330,594.24/11,486.36
  6. Step 6: Final answer
    x = 14,916.00

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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.