Home / 9,429.79-13,002.37-6,022.21

Finding the Fourth Proportional to 9,429.79, 13,002.37 and 6,022.21

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Solution

The fourth proportional to 9,429.79, 13,002.37 and 6,022.21 is: 8,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,429.79 : 13,002.37 = 6,022.21 : x
  2. Step 2: Convert to fraction form
    9,429.79/13,002.37 = 6,022.21/x
  3. Step 3: Cross multiply
    9,429.79x = 13,002.37 × 6,022.21
  4. Step 4: Simplify right side
    9,429.79x = 78,303,002.64
  5. Step 5: Solve for x
    x = 78,303,002.64/9,429.79
  6. Step 6: Final answer
    x = 8,303.79

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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.