Home / 7,155.24-10,712.38-4,842.60

Finding the Fourth Proportional to 7,155.24, 10,712.38 and 4,842.60

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Solution

The fourth proportional to 7,155.24, 10,712.38 and 4,842.60 is: 7,250.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.24 : 10,712.38 = 4,842.60 : x
  2. Step 2: Convert to fraction form
    7,155.24/10,712.38 = 4,842.60/x
  3. Step 3: Cross multiply
    7,155.24x = 10,712.38 × 4,842.60
  4. Step 4: Simplify right side
    7,155.24x = 51,875,771.39
  5. Step 5: Solve for x
    x = 51,875,771.39/7,155.24
  6. Step 6: Final answer
    x = 7,250.04

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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.