Home / 10,787.07-14,885.59-6,071.66

Finding the Fourth Proportional to 10,787.07, 14,885.59 and 6,071.66

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Solution

The fourth proportional to 10,787.07, 14,885.59 and 6,071.66 is: 8,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.07 : 14,885.59 = 6,071.66 : x
  2. Step 2: Convert to fraction form
    10,787.07/14,885.59 = 6,071.66/x
  3. Step 3: Cross multiply
    10,787.07x = 14,885.59 × 6,071.66
  4. Step 4: Simplify right side
    10,787.07x = 90,380,241.38
  5. Step 5: Solve for x
    x = 90,380,241.38/10,787.07
  6. Step 6: Final answer
    x = 8,378.57

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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.