Home / 9,629.46-13,288-5,437.44

Finding the Fourth Proportional to 9,629.46, 13,288 and 5,437.44

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Solution

The fourth proportional to 9,629.46, 13,288 and 5,437.44 is: 7,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,629.46 : 13,288 = 5,437.44 : x
  2. Step 2: Convert to fraction form
    9,629.46/13,288 = 5,437.44/x
  3. Step 3: Cross multiply
    9,629.46x = 13,288 × 5,437.44
  4. Step 4: Simplify right side
    9,629.46x = 72,252,702.72
  5. Step 5: Solve for x
    x = 72,252,702.72/9,629.46
  6. Step 6: Final answer
    x = 7,503.30

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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.