Home / 11,927.04-16,460.28-6,621.74

Finding the Fourth Proportional to 11,927.04, 16,460.28 and 6,621.74

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Solution

The fourth proportional to 11,927.04, 16,460.28 and 6,621.74 is: 9,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.04 : 16,460.28 = 6,621.74 : x
  2. Step 2: Convert to fraction form
    11,927.04/16,460.28 = 6,621.74/x
  3. Step 3: Cross multiply
    11,927.04x = 16,460.28 × 6,621.74
  4. Step 4: Simplify right side
    11,927.04x = 108,995,694.49
  5. Step 5: Solve for x
    x = 108,995,694.49/11,927.04
  6. Step 6: Final answer
    x = 9,138.54

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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.