Home / 13,089.38-19,633.98-5,298.08

Finding the Fourth Proportional to 13,089.38, 19,633.98 and 5,298.08

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Solution

The fourth proportional to 13,089.38, 19,633.98 and 5,298.08 is: 7,947.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.38 : 19,633.98 = 5,298.08 : x
  2. Step 2: Convert to fraction form
    13,089.38/19,633.98 = 5,298.08/x
  3. Step 3: Cross multiply
    13,089.38x = 19,633.98 × 5,298.08
  4. Step 4: Simplify right side
    13,089.38x = 104,022,396.76
  5. Step 5: Solve for x
    x = 104,022,396.76/13,089.38
  6. Step 6: Final answer
    x = 7,947.08

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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.