Home / 13,011.21-17,954.10-9,610.02

Finding the Fourth Proportional to 13,011.21, 17,954.10 and 9,610.02

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Solution

The fourth proportional to 13,011.21, 17,954.10 and 9,610.02 is: 13,260.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.21 : 17,954.10 = 9,610.02 : x
  2. Step 2: Convert to fraction form
    13,011.21/17,954.10 = 9,610.02/x
  3. Step 3: Cross multiply
    13,011.21x = 17,954.10 × 9,610.02
  4. Step 4: Simplify right side
    13,011.21x = 172,539,260.08
  5. Step 5: Solve for x
    x = 172,539,260.08/13,011.21
  6. Step 6: Final answer
    x = 13,260.82

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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.