Home / 10,787.14-14,883.34-6,312

Finding the Fourth Proportional to 10,787.14, 14,883.34 and 6,312

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Solution

The fourth proportional to 10,787.14, 14,883.34 and 6,312 is: 8,708.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.14 : 14,883.34 = 6,312 : x
  2. Step 2: Convert to fraction form
    10,787.14/14,883.34 = 6,312/x
  3. Step 3: Cross multiply
    10,787.14x = 14,883.34 × 6,312
  4. Step 4: Simplify right side
    10,787.14x = 93,943,642.08
  5. Step 5: Solve for x
    x = 93,943,642.08/10,787.14
  6. Step 6: Final answer
    x = 8,708.86

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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.