Home / 9,684.24-13,359.70-5,702.80

Finding the Fourth Proportional to 9,684.24, 13,359.70 and 5,702.80

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Solution

The fourth proportional to 9,684.24, 13,359.70 and 5,702.80 is: 7,867.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,684.24 : 13,359.70 = 5,702.80 : x
  2. Step 2: Convert to fraction form
    9,684.24/13,359.70 = 5,702.80/x
  3. Step 3: Cross multiply
    9,684.24x = 13,359.70 × 5,702.80
  4. Step 4: Simplify right side
    9,684.24x = 76,187,697.16
  5. Step 5: Solve for x
    x = 76,187,697.16/9,684.24
  6. Step 6: Final answer
    x = 7,867.18

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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.