Home / 10,995.83-15,175.05-6,280.01

Finding the Fourth Proportional to 10,995.83, 15,175.05 and 6,280.01

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Solution

The fourth proportional to 10,995.83, 15,175.05 and 6,280.01 is: 8,666.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,995.83 : 15,175.05 = 6,280.01 : x
  2. Step 2: Convert to fraction form
    10,995.83/15,175.05 = 6,280.01/x
  3. Step 3: Cross multiply
    10,995.83x = 15,175.05 × 6,280.01
  4. Step 4: Simplify right side
    10,995.83x = 95,299,465.75
  5. Step 5: Solve for x
    x = 95,299,465.75/10,995.83
  6. Step 6: Final answer
    x = 8,666.87

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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.