Home / 10,787.58-14,883.96-6,312.43

Finding the Fourth Proportional to 10,787.58, 14,883.96 and 6,312.43

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Solution

The fourth proportional to 10,787.58, 14,883.96 and 6,312.43 is: 8,709.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,787.58 : 14,883.96 = 6,312.43 : x
  2. Step 2: Convert to fraction form
    10,787.58/14,883.96 = 6,312.43/x
  3. Step 3: Cross multiply
    10,787.58x = 14,883.96 × 6,312.43
  4. Step 4: Simplify right side
    10,787.58x = 93,953,955.62
  5. Step 5: Solve for x
    x = 93,953,955.62/10,787.58
  6. Step 6: Final answer
    x = 8,709.46

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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.