Home / 9,021.53-12,449.69-5,042.64

Finding the Fourth Proportional to 9,021.53, 12,449.69 and 5,042.64

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Solution

The fourth proportional to 9,021.53, 12,449.69 and 5,042.64 is: 6,958.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.53 : 12,449.69 = 5,042.64 : x
  2. Step 2: Convert to fraction form
    9,021.53/12,449.69 = 5,042.64/x
  3. Step 3: Cross multiply
    9,021.53x = 12,449.69 × 5,042.64
  4. Step 4: Simplify right side
    9,021.53x = 62,779,320.57
  5. Step 5: Solve for x
    x = 62,779,320.57/9,021.53
  6. Step 6: Final answer
    x = 6,958.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.