Home / 10,822.48-14,934.72-6,107.20

Finding the Fourth Proportional to 10,822.48, 14,934.72 and 6,107.20

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Solution

The fourth proportional to 10,822.48, 14,934.72 and 6,107.20 is: 8,427.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,822.48 : 14,934.72 = 6,107.20 : x
  2. Step 2: Convert to fraction form
    10,822.48/14,934.72 = 6,107.20/x
  3. Step 3: Cross multiply
    10,822.48x = 14,934.72 × 6,107.20
  4. Step 4: Simplify right side
    10,822.48x = 91,209,321.98
  5. Step 5: Solve for x
    x = 91,209,321.98/10,822.48
  6. Step 6: Final answer
    x = 8,427.77

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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.