Home / 10,630.14-14,670.48-5,915.31

Finding the Fourth Proportional to 10,630.14, 14,670.48 and 5,915.31

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Solution

The fourth proportional to 10,630.14, 14,670.48 and 5,915.31 is: 8,163.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.14 : 14,670.48 = 5,915.31 : x
  2. Step 2: Convert to fraction form
    10,630.14/14,670.48 = 5,915.31/x
  3. Step 3: Cross multiply
    10,630.14x = 14,670.48 × 5,915.31
  4. Step 4: Simplify right side
    10,630.14x = 86,780,437.05
  5. Step 5: Solve for x
    x = 86,780,437.05/10,630.14
  6. Step 6: Final answer
    x = 8,163.62

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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.