Home / 9,036.99-13,545.09-3,487.88

Finding the Fourth Proportional to 9,036.99, 13,545.09 and 3,487.88

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Solution

The fourth proportional to 9,036.99, 13,545.09 and 3,487.88 is: 5,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,036.99 : 13,545.09 = 3,487.88 : x
  2. Step 2: Convert to fraction form
    9,036.99/13,545.09 = 3,487.88/x
  3. Step 3: Cross multiply
    9,036.99x = 13,545.09 × 3,487.88
  4. Step 4: Simplify right side
    9,036.99x = 47,243,682.37
  5. Step 5: Solve for x
    x = 47,243,682.37/9,036.99
  6. Step 6: Final answer
    x = 5,227.81

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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.