Home / 12,038.87-18,060.23-3,716.93

Finding the Fourth Proportional to 12,038.87, 18,060.23 and 3,716.93

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Solution

The fourth proportional to 12,038.87, 18,060.23 and 3,716.93 is: 5,575.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,038.87 : 18,060.23 = 3,716.93 : x
  2. Step 2: Convert to fraction form
    12,038.87/18,060.23 = 3,716.93/x
  3. Step 3: Cross multiply
    12,038.87x = 18,060.23 × 3,716.93
  4. Step 4: Simplify right side
    12,038.87x = 67,128,637.26
  5. Step 5: Solve for x
    x = 67,128,637.26/12,038.87
  6. Step 6: Final answer
    x = 5,575.99

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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.