Home / 9,680.52-13,360.08-5,702.88

Finding the Fourth Proportional to 9,680.52, 13,360.08 and 5,702.88

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Solution

The fourth proportional to 9,680.52, 13,360.08 and 5,702.88 is: 7,870.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.52 : 13,360.08 = 5,702.88 : x
  2. Step 2: Convert to fraction form
    9,680.52/13,360.08 = 5,702.88/x
  3. Step 3: Cross multiply
    9,680.52x = 13,360.08 × 5,702.88
  4. Step 4: Simplify right side
    9,680.52x = 76,190,933.03
  5. Step 5: Solve for x
    x = 76,190,933.03/9,680.52
  6. Step 6: Final answer
    x = 7,870.54

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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.