Home / 12,599.08-18,898.86-3,365

Finding the Fourth Proportional to 12,599.08, 18,898.86 and 3,365

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Solution

The fourth proportional to 12,599.08, 18,898.86 and 3,365 is: 5,047.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,599.08 : 18,898.86 = 3,365 : x
  2. Step 2: Convert to fraction form
    12,599.08/18,898.86 = 3,365/x
  3. Step 3: Cross multiply
    12,599.08x = 18,898.86 × 3,365
  4. Step 4: Simplify right side
    12,599.08x = 63,594,663.90
  5. Step 5: Solve for x
    x = 63,594,663.90/12,599.08
  6. Step 6: Final answer
    x = 5,047.56

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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.