Home / 9,386.03-12,950.52-6,408.06

Finding the Fourth Proportional to 9,386.03, 12,950.52 and 6,408.06

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Solution

The fourth proportional to 9,386.03, 12,950.52 and 6,408.06 is: 8,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.03 : 12,950.52 = 6,408.06 : x
  2. Step 2: Convert to fraction form
    9,386.03/12,950.52 = 6,408.06/x
  3. Step 3: Cross multiply
    9,386.03x = 12,950.52 × 6,408.06
  4. Step 4: Simplify right side
    9,386.03x = 82,987,709.19
  5. Step 5: Solve for x
    x = 82,987,709.19/9,386.03
  6. Step 6: Final answer
    x = 8,841.62

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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.