Home / 11,336.99-15,603.75-9,983.74

Finding the Fourth Proportional to 11,336.99, 15,603.75 and 9,983.74

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Solution

The fourth proportional to 11,336.99, 15,603.75 and 9,983.74 is: 13,741.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.99 : 15,603.75 = 9,983.74 : x
  2. Step 2: Convert to fraction form
    11,336.99/15,603.75 = 9,983.74/x
  3. Step 3: Cross multiply
    11,336.99x = 15,603.75 × 9,983.74
  4. Step 4: Simplify right side
    11,336.99x = 155,783,744.02
  5. Step 5: Solve for x
    x = 155,783,744.02/11,336.99
  6. Step 6: Final answer
    x = 13,741.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.