Home / 7,206.10-10,784.85-6,331.30

Finding the Fourth Proportional to 7,206.10, 10,784.85 and 6,331.30

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Solution

The fourth proportional to 7,206.10, 10,784.85 and 6,331.30 is: 9,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,206.10 : 10,784.85 = 6,331.30 : x
  2. Step 2: Convert to fraction form
    7,206.10/10,784.85 = 6,331.30/x
  3. Step 3: Cross multiply
    7,206.10x = 10,784.85 × 6,331.30
  4. Step 4: Simplify right side
    7,206.10x = 68,282,120.81
  5. Step 5: Solve for x
    x = 68,282,120.81/7,206.10
  6. Step 6: Final answer
    x = 9,475.60

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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.