Home / 13,083.10-18,056.47-9,934.30

Finding the Fourth Proportional to 13,083.10, 18,056.47 and 9,934.30

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Solution

The fourth proportional to 13,083.10, 18,056.47 and 9,934.30 is: 13,710.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,083.10 : 18,056.47 = 9,934.30 : x
  2. Step 2: Convert to fraction form
    13,083.10/18,056.47 = 9,934.30/x
  3. Step 3: Cross multiply
    13,083.10x = 18,056.47 × 9,934.30
  4. Step 4: Simplify right side
    13,083.10x = 179,378,389.92
  5. Step 5: Solve for x
    x = 179,378,389.92/13,083.10
  6. Step 6: Final answer
    x = 13,710.69

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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.