Home / 9,305.04-13,960.80-4,378.44

Finding the Fourth Proportional to 9,305.04, 13,960.80 and 4,378.44

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Solution

The fourth proportional to 9,305.04, 13,960.80 and 4,378.44 is: 6,569.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.04 : 13,960.80 = 4,378.44 : x
  2. Step 2: Convert to fraction form
    9,305.04/13,960.80 = 4,378.44/x
  3. Step 3: Cross multiply
    9,305.04x = 13,960.80 × 4,378.44
  4. Step 4: Simplify right side
    9,305.04x = 61,126,525.15
  5. Step 5: Solve for x
    x = 61,126,525.15/9,305.04
  6. Step 6: Final answer
    x = 6,569.18

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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.