Home / 7,352.04-11,028.56-2,421.72

Finding the Fourth Proportional to 7,352.04, 11,028.56 and 2,421.72

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Solution

The fourth proportional to 7,352.04, 11,028.56 and 2,421.72 is: 3,632.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.04 : 11,028.56 = 2,421.72 : x
  2. Step 2: Convert to fraction form
    7,352.04/11,028.56 = 2,421.72/x
  3. Step 3: Cross multiply
    7,352.04x = 11,028.56 × 2,421.72
  4. Step 4: Simplify right side
    7,352.04x = 26,708,084.32
  5. Step 5: Solve for x
    x = 26,708,084.32/7,352.04
  6. Step 6: Final answer
    x = 3,632.74

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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.