Home / 10,463.31-14,441.49-6,428.30

Finding the Fourth Proportional to 10,463.31, 14,441.49 and 6,428.30

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Solution

The fourth proportional to 10,463.31, 14,441.49 and 6,428.30 is: 8,872.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,463.31 : 14,441.49 = 6,428.30 : x
  2. Step 2: Convert to fraction form
    10,463.31/14,441.49 = 6,428.30/x
  3. Step 3: Cross multiply
    10,463.31x = 14,441.49 × 6,428.30
  4. Step 4: Simplify right side
    10,463.31x = 92,834,157.96
  5. Step 5: Solve for x
    x = 92,834,157.96/10,463.31
  6. Step 6: Final answer
    x = 8,872.35

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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.