Home / 9,378.95-14,064.08-3,454.34

Finding the Fourth Proportional to 9,378.95, 14,064.08 and 3,454.34

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Solution

The fourth proportional to 9,378.95, 14,064.08 and 3,454.34 is: 5,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,378.95 : 14,064.08 = 3,454.34 : x
  2. Step 2: Convert to fraction form
    9,378.95/14,064.08 = 3,454.34/x
  3. Step 3: Cross multiply
    9,378.95x = 14,064.08 × 3,454.34
  4. Step 4: Simplify right side
    9,378.95x = 48,582,043.79
  5. Step 5: Solve for x
    x = 48,582,043.79/9,378.95
  6. Step 6: Final answer
    x = 5,179.90

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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.