Home / 12,276.24-16,934.20-7,557.20

Finding the Fourth Proportional to 12,276.24, 16,934.20 and 7,557.20

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Solution

The fourth proportional to 12,276.24, 16,934.20 and 7,557.20 is: 10,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.24 : 16,934.20 = 7,557.20 : x
  2. Step 2: Convert to fraction form
    12,276.24/16,934.20 = 7,557.20/x
  3. Step 3: Cross multiply
    12,276.24x = 16,934.20 × 7,557.20
  4. Step 4: Simplify right side
    12,276.24x = 127,975,136.24
  5. Step 5: Solve for x
    x = 127,975,136.24/12,276.24
  6. Step 6: Final answer
    x = 10,424.62

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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.