Home / 12,088.84-16,682.16-6,711.51

Finding the Fourth Proportional to 12,088.84, 16,682.16 and 6,711.51

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Solution

The fourth proportional to 12,088.84, 16,682.16 and 6,711.51 is: 9,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.84 : 16,682.16 = 6,711.51 : x
  2. Step 2: Convert to fraction form
    12,088.84/16,682.16 = 6,711.51/x
  3. Step 3: Cross multiply
    12,088.84x = 16,682.16 × 6,711.51
  4. Step 4: Simplify right side
    12,088.84x = 111,962,366.69
  5. Step 5: Solve for x
    x = 111,962,366.69/12,088.84
  6. Step 6: Final answer
    x = 9,261.63

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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.