Home / 10,393.87-15,551.50-6,376.91

Finding the Fourth Proportional to 10,393.87, 15,551.50 and 6,376.91

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Solution

The fourth proportional to 10,393.87, 15,551.50 and 6,376.91 is: 9,541.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.87 : 15,551.50 = 6,376.91 : x
  2. Step 2: Convert to fraction form
    10,393.87/15,551.50 = 6,376.91/x
  3. Step 3: Cross multiply
    10,393.87x = 15,551.50 × 6,376.91
  4. Step 4: Simplify right side
    10,393.87x = 99,170,492.44
  5. Step 5: Solve for x
    x = 99,170,492.44/10,393.87
  6. Step 6: Final answer
    x = 9,541.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.