Home / 7,271.12-10,905.96-2,339.84

Finding the Fourth Proportional to 7,271.12, 10,905.96 and 2,339.84

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Solution

The fourth proportional to 7,271.12, 10,905.96 and 2,339.84 is: 3,509.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,271.12 : 10,905.96 = 2,339.84 : x
  2. Step 2: Convert to fraction form
    7,271.12/10,905.96 = 2,339.84/x
  3. Step 3: Cross multiply
    7,271.12x = 10,905.96 × 2,339.84
  4. Step 4: Simplify right side
    7,271.12x = 25,518,201.45
  5. Step 5: Solve for x
    x = 25,518,201.45/7,271.12
  6. Step 6: Final answer
    x = 3,509.53

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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.