Home / 9,178.34-13,778.46-5,482.31

Finding the Fourth Proportional to 9,178.34, 13,778.46 and 5,482.31

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Solution

The fourth proportional to 9,178.34, 13,778.46 and 5,482.31 is: 8,230.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,178.34 : 13,778.46 = 5,482.31 : x
  2. Step 2: Convert to fraction form
    9,178.34/13,778.46 = 5,482.31/x
  3. Step 3: Cross multiply
    9,178.34x = 13,778.46 × 5,482.31
  4. Step 4: Simplify right side
    9,178.34x = 75,537,720.15
  5. Step 5: Solve for x
    x = 75,537,720.15/9,178.34
  6. Step 6: Final answer
    x = 8,230.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.