Home / 9,403.08-12,972.60-6,045.42

Finding the Fourth Proportional to 9,403.08, 12,972.60 and 6,045.42

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Solution

The fourth proportional to 9,403.08, 12,972.60 and 6,045.42 is: 8,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,403.08 : 12,972.60 = 6,045.42 : x
  2. Step 2: Convert to fraction form
    9,403.08/12,972.60 = 6,045.42/x
  3. Step 3: Cross multiply
    9,403.08x = 12,972.60 × 6,045.42
  4. Step 4: Simplify right side
    9,403.08x = 78,424,815.49
  5. Step 5: Solve for x
    x = 78,424,815.49/9,403.08
  6. Step 6: Final answer
    x = 8,340.33

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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.