Home / 10,975.15-16,462.74-2,655.13

Finding the Fourth Proportional to 10,975.15, 16,462.74 and 2,655.13

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Solution

The fourth proportional to 10,975.15, 16,462.74 and 2,655.13 is: 3,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,975.15 : 16,462.74 = 2,655.13 : x
  2. Step 2: Convert to fraction form
    10,975.15/16,462.74 = 2,655.13/x
  3. Step 3: Cross multiply
    10,975.15x = 16,462.74 × 2,655.13
  4. Step 4: Simplify right side
    10,975.15x = 43,710,692.12
  5. Step 5: Solve for x
    x = 43,710,692.12/10,975.15
  6. Step 6: Final answer
    x = 3,982.70

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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.