Home / 10,037.36-15,055.32-3,111.68

Finding the Fourth Proportional to 10,037.36, 15,055.32 and 3,111.68

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Solution

The fourth proportional to 10,037.36, 15,055.32 and 3,111.68 is: 4,667.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.36 : 15,055.32 = 3,111.68 : x
  2. Step 2: Convert to fraction form
    10,037.36/15,055.32 = 3,111.68/x
  3. Step 3: Cross multiply
    10,037.36x = 15,055.32 × 3,111.68
  4. Step 4: Simplify right side
    10,037.36x = 46,847,338.14
  5. Step 5: Solve for x
    x = 46,847,338.14/10,037.36
  6. Step 6: Final answer
    x = 4,667.30

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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.