Home / 7,402.15-10,214.66-4,379.23

Finding the Fourth Proportional to 7,402.15, 10,214.66 and 4,379.23

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Solution

The fourth proportional to 7,402.15, 10,214.66 and 4,379.23 is: 6,043.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,402.15 : 10,214.66 = 4,379.23 : x
  2. Step 2: Convert to fraction form
    7,402.15/10,214.66 = 4,379.23/x
  3. Step 3: Cross multiply
    7,402.15x = 10,214.66 × 4,379.23
  4. Step 4: Simplify right side
    7,402.15x = 44,732,369.23
  5. Step 5: Solve for x
    x = 44,732,369.23/7,402.15
  6. Step 6: Final answer
    x = 6,043.16

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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.