Home / 6,829.20-9,426.60-5,907.60

Finding the Fourth Proportional to 6,829.20, 9,426.60 and 5,907.60

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Solution

The fourth proportional to 6,829.20, 9,426.60 and 5,907.60 is: 8,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,829.20 : 9,426.60 = 5,907.60 : x
  2. Step 2: Convert to fraction form
    6,829.20/9,426.60 = 5,907.60/x
  3. Step 3: Cross multiply
    6,829.20x = 9,426.60 × 5,907.60
  4. Step 4: Simplify right side
    6,829.20x = 55,688,582.16
  5. Step 5: Solve for x
    x = 55,688,582.16/6,829.20
  6. Step 6: Final answer
    x = 8,154.48

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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.