Home / 9,359.37-12,915.99-5,167.62

Finding the Fourth Proportional to 9,359.37, 12,915.99 and 5,167.62

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Solution

The fourth proportional to 9,359.37, 12,915.99 and 5,167.62 is: 7,131.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.37 : 12,915.99 = 5,167.62 : x
  2. Step 2: Convert to fraction form
    9,359.37/12,915.99 = 5,167.62/x
  3. Step 3: Cross multiply
    9,359.37x = 12,915.99 × 5,167.62
  4. Step 4: Simplify right side
    9,359.37x = 66,744,928.24
  5. Step 5: Solve for x
    x = 66,744,928.24/9,359.37
  6. Step 6: Final answer
    x = 7,131.35

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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.