Home / 7,421.95-11,133.27-4,132.57

Finding the Fourth Proportional to 7,421.95, 11,133.27 and 4,132.57

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Solution

The fourth proportional to 7,421.95, 11,133.27 and 4,132.57 is: 6,199.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.95 : 11,133.27 = 4,132.57 : x
  2. Step 2: Convert to fraction form
    7,421.95/11,133.27 = 4,132.57/x
  3. Step 3: Cross multiply
    7,421.95x = 11,133.27 × 4,132.57
  4. Step 4: Simplify right side
    7,421.95x = 46,009,022.27
  5. Step 5: Solve for x
    x = 46,009,022.27/7,421.95
  6. Step 6: Final answer
    x = 6,199.04

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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.