Home / 10,821.91-14,934.24-6,106.63

Finding the Fourth Proportional to 10,821.91, 14,934.24 and 6,106.63

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Solution

The fourth proportional to 10,821.91, 14,934.24 and 6,106.63 is: 8,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,821.91 : 14,934.24 = 6,106.63 : x
  2. Step 2: Convert to fraction form
    10,821.91/14,934.24 = 6,106.63/x
  3. Step 3: Cross multiply
    10,821.91x = 14,934.24 × 6,106.63
  4. Step 4: Simplify right side
    10,821.91x = 91,197,803.34
  5. Step 5: Solve for x
    x = 91,197,803.34/10,821.91
  6. Step 6: Final answer
    x = 8,427.15

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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.