Home / 10,787.22-14,882.81-8,794.35

Finding the Fourth Proportional to 10,787.22, 14,882.81 and 8,794.35

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Solution

The fourth proportional to 10,787.22, 14,882.81 and 8,794.35 is: 12,133.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.22 : 14,882.81 = 8,794.35 : x
  2. Step 2: Convert to fraction form
    10,787.22/14,882.81 = 8,794.35/x
  3. Step 3: Cross multiply
    10,787.22x = 14,882.81 × 8,794.35
  4. Step 4: Simplify right side
    10,787.22x = 130,884,596.15
  5. Step 5: Solve for x
    x = 130,884,596.15/10,787.22
  6. Step 6: Final answer
    x = 12,133.30

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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.