Home / 13,228.83-19,842.27-6,210.45

Finding the Fourth Proportional to 13,228.83, 19,842.27 and 6,210.45

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Solution

The fourth proportional to 13,228.83, 19,842.27 and 6,210.45 is: 9,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,228.83 : 19,842.27 = 6,210.45 : x
  2. Step 2: Convert to fraction form
    13,228.83/19,842.27 = 6,210.45/x
  3. Step 3: Cross multiply
    13,228.83x = 19,842.27 × 6,210.45
  4. Step 4: Simplify right side
    13,228.83x = 123,229,425.72
  5. Step 5: Solve for x
    x = 123,229,425.72/13,228.83
  6. Step 6: Final answer
    x = 9,315.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.