Home / 11,436.17-15,782.09-6,960.11

Finding the Fourth Proportional to 11,436.17, 15,782.09 and 6,960.11

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Solution

The fourth proportional to 11,436.17, 15,782.09 and 6,960.11 is: 9,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.17 : 15,782.09 = 6,960.11 : x
  2. Step 2: Convert to fraction form
    11,436.17/15,782.09 = 6,960.11/x
  3. Step 3: Cross multiply
    11,436.17x = 15,782.09 × 6,960.11
  4. Step 4: Simplify right side
    11,436.17x = 109,844,968.72
  5. Step 5: Solve for x
    x = 109,844,968.72/11,436.17
  6. Step 6: Final answer
    x = 9,605.05

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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.