Home / 12,468.02-18,699.89-4,570.11

Finding the Fourth Proportional to 12,468.02, 18,699.89 and 4,570.11

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Solution

The fourth proportional to 12,468.02, 18,699.89 and 4,570.11 is: 6,854.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,468.02 : 18,699.89 = 4,570.11 : x
  2. Step 2: Convert to fraction form
    12,468.02/18,699.89 = 4,570.11/x
  3. Step 3: Cross multiply
    12,468.02x = 18,699.89 × 4,570.11
  4. Step 4: Simplify right side
    12,468.02x = 85,460,531.44
  5. Step 5: Solve for x
    x = 85,460,531.44/12,468.02
  6. Step 6: Final answer
    x = 6,854.38

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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.