Home / 11,095.41-15,304.64-8,436.99

Finding the Fourth Proportional to 11,095.41, 15,304.64 and 8,436.99

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Solution

The fourth proportional to 11,095.41, 15,304.64 and 8,436.99 is: 11,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,095.41 : 15,304.64 = 8,436.99 : x
  2. Step 2: Convert to fraction form
    11,095.41/15,304.64 = 8,436.99/x
  3. Step 3: Cross multiply
    11,095.41x = 15,304.64 × 8,436.99
  4. Step 4: Simplify right side
    11,095.41x = 129,125,052.45
  5. Step 5: Solve for x
    x = 129,125,052.45/11,095.41
  6. Step 6: Final answer
    x = 11,637.70

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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.