Home / 7,021.16-9,688.84-4,034.88

Finding the Fourth Proportional to 7,021.16, 9,688.84 and 4,034.88

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Solution

The fourth proportional to 7,021.16, 9,688.84 and 4,034.88 is: 5,567.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,021.16 : 9,688.84 = 4,034.88 : x
  2. Step 2: Convert to fraction form
    7,021.16/9,688.84 = 4,034.88/x
  3. Step 3: Cross multiply
    7,021.16x = 9,688.84 × 4,034.88
  4. Step 4: Simplify right side
    7,021.16x = 39,093,306.74
  5. Step 5: Solve for x
    x = 39,093,306.74/7,021.16
  6. Step 6: Final answer
    x = 5,567.93

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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.