Home / 10,087.04-15,130.61-3,513.21

Finding the Fourth Proportional to 10,087.04, 15,130.61 and 3,513.21

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Solution

The fourth proportional to 10,087.04, 15,130.61 and 3,513.21 is: 5,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,087.04 : 15,130.61 = 3,513.21 : x
  2. Step 2: Convert to fraction form
    10,087.04/15,130.61 = 3,513.21/x
  3. Step 3: Cross multiply
    10,087.04x = 15,130.61 × 3,513.21
  4. Step 4: Simplify right side
    10,087.04x = 53,156,992.79
  5. Step 5: Solve for x
    x = 53,156,992.79/10,087.04
  6. Step 6: Final answer
    x = 5,269.83

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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.