Home / 7,173.68-9,900.44-4,030.96

Finding the Fourth Proportional to 7,173.68, 9,900.44 and 4,030.96

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Solution

The fourth proportional to 7,173.68, 9,900.44 and 4,030.96 is: 5,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.68 : 9,900.44 = 4,030.96 : x
  2. Step 2: Convert to fraction form
    7,173.68/9,900.44 = 4,030.96/x
  3. Step 3: Cross multiply
    7,173.68x = 9,900.44 × 4,030.96
  4. Step 4: Simplify right side
    7,173.68x = 39,908,277.62
  5. Step 5: Solve for x
    x = 39,908,277.62/7,173.68
  6. Step 6: Final answer
    x = 5,563.15

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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.