Home / 10,037.61-15,055.70-3,111.93

Finding the Fourth Proportional to 10,037.61, 15,055.70 and 3,111.93

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Solution

The fourth proportional to 10,037.61, 15,055.70 and 3,111.93 is: 4,667.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.61 : 15,055.70 = 3,111.93 : x
  2. Step 2: Convert to fraction form
    10,037.61/15,055.70 = 3,111.93/x
  3. Step 3: Cross multiply
    10,037.61x = 15,055.70 × 3,111.93
  4. Step 4: Simplify right side
    10,037.61x = 46,852,268.94
  5. Step 5: Solve for x
    x = 46,852,268.94/10,037.61
  6. Step 6: Final answer
    x = 4,667.67

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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.