Home / 7,140.08-10,712.48-4,504.54

Finding the Fourth Proportional to 7,140.08, 10,712.48 and 4,504.54

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Solution

The fourth proportional to 7,140.08, 10,712.48 and 4,504.54 is: 6,758.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,140.08 : 10,712.48 = 4,504.54 : x
  2. Step 2: Convert to fraction form
    7,140.08/10,712.48 = 4,504.54/x
  3. Step 3: Cross multiply
    7,140.08x = 10,712.48 × 4,504.54
  4. Step 4: Simplify right side
    7,140.08x = 48,254,832.70
  5. Step 5: Solve for x
    x = 48,254,832.70/7,140.08
  6. Step 6: Final answer
    x = 6,758.30

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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.