Home / 8,766.77-12,097.53-4,787.81

Finding the Fourth Proportional to 8,766.77, 12,097.53 and 4,787.81

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Solution

The fourth proportional to 8,766.77, 12,097.53 and 4,787.81 is: 6,606.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,766.77 : 12,097.53 = 4,787.81 : x
  2. Step 2: Convert to fraction form
    8,766.77/12,097.53 = 4,787.81/x
  3. Step 3: Cross multiply
    8,766.77x = 12,097.53 × 4,787.81
  4. Step 4: Simplify right side
    8,766.77x = 57,920,675.11
  5. Step 5: Solve for x
    x = 57,920,675.11/8,766.77
  6. Step 6: Final answer
    x = 6,606.84

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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.