Home / 12,011.04-16,586.64-11,356.56

Finding the Fourth Proportional to 12,011.04, 16,586.64 and 11,356.56

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Solution

The fourth proportional to 12,011.04, 16,586.64 and 11,356.56 is: 15,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,011.04 : 16,586.64 = 11,356.56 : x
  2. Step 2: Convert to fraction form
    12,011.04/16,586.64 = 11,356.56/x
  3. Step 3: Cross multiply
    12,011.04x = 16,586.64 × 11,356.56
  4. Step 4: Simplify right side
    12,011.04x = 188,367,172.36
  5. Step 5: Solve for x
    x = 188,367,172.36/12,011.04
  6. Step 6: Final answer
    x = 15,682.84

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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.