Home / 12,888.61-19,341.83-5,098.03

Finding the Fourth Proportional to 12,888.61, 19,341.83 and 5,098.03

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Solution

The fourth proportional to 12,888.61, 19,341.83 and 5,098.03 is: 7,650.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888.61 : 19,341.83 = 5,098.03 : x
  2. Step 2: Convert to fraction form
    12,888.61/19,341.83 = 5,098.03/x
  3. Step 3: Cross multiply
    12,888.61x = 19,341.83 × 5,098.03
  4. Step 4: Simplify right side
    12,888.61x = 98,605,229.59
  5. Step 5: Solve for x
    x = 98,605,229.59/12,888.61
  6. Step 6: Final answer
    x = 7,650.57

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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.