Home / 9,007.11-12,429.18-5,028.12

Finding the Fourth Proportional to 9,007.11, 12,429.18 and 5,028.12

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Solution

The fourth proportional to 9,007.11, 12,429.18 and 5,028.12 is: 6,938.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,007.11 : 12,429.18 = 5,028.12 : x
  2. Step 2: Convert to fraction form
    9,007.11/12,429.18 = 5,028.12/x
  3. Step 3: Cross multiply
    9,007.11x = 12,429.18 × 5,028.12
  4. Step 4: Simplify right side
    9,007.11x = 62,495,408.54
  5. Step 5: Solve for x
    x = 62,495,408.54/9,007.11
  6. Step 6: Final answer
    x = 6,938.45

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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.