Home / 9,385.20-12,938.40-5,846.04

Finding the Fourth Proportional to 9,385.20, 12,938.40 and 5,846.04

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Solution

The fourth proportional to 9,385.20, 12,938.40 and 5,846.04 is: 8,059.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,385.20 : 12,938.40 = 5,846.04 : x
  2. Step 2: Convert to fraction form
    9,385.20/12,938.40 = 5,846.04/x
  3. Step 3: Cross multiply
    9,385.20x = 12,938.40 × 5,846.04
  4. Step 4: Simplify right side
    9,385.20x = 75,638,403.94
  5. Step 5: Solve for x
    x = 75,638,403.94/9,385.20
  6. Step 6: Final answer
    x = 8,059.33

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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.