Home / 12,335.18-18,502.74-3,570.08

Finding the Fourth Proportional to 12,335.18, 18,502.74 and 3,570.08

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Solution

The fourth proportional to 12,335.18, 18,502.74 and 3,570.08 is: 5,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,335.18 : 18,502.74 = 3,570.08 : x
  2. Step 2: Convert to fraction form
    12,335.18/18,502.74 = 3,570.08/x
  3. Step 3: Cross multiply
    12,335.18x = 18,502.74 × 3,570.08
  4. Step 4: Simplify right side
    12,335.18x = 66,056,169.51
  5. Step 5: Solve for x
    x = 66,056,169.51/12,335.18
  6. Step 6: Final answer
    x = 5,355.11

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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.