Home / 6,775.16-10,155.36-4,311.08

Finding the Fourth Proportional to 6,775.16, 10,155.36 and 4,311.08

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Solution

The fourth proportional to 6,775.16, 10,155.36 and 4,311.08 is: 6,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,775.16 : 10,155.36 = 4,311.08 : x
  2. Step 2: Convert to fraction form
    6,775.16/10,155.36 = 4,311.08/x
  3. Step 3: Cross multiply
    6,775.16x = 10,155.36 × 4,311.08
  4. Step 4: Simplify right side
    6,775.16x = 43,780,569.39
  5. Step 5: Solve for x
    x = 43,780,569.39/6,775.16
  6. Step 6: Final answer
    x = 6,461.92

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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.