Home / 7,631.64-10,534.88-4,648.56

Finding the Fourth Proportional to 7,631.64, 10,534.88 and 4,648.56

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Solution

The fourth proportional to 7,631.64, 10,534.88 and 4,648.56 is: 6,416.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.64 : 10,534.88 = 4,648.56 : x
  2. Step 2: Convert to fraction form
    7,631.64/10,534.88 = 4,648.56/x
  3. Step 3: Cross multiply
    7,631.64x = 10,534.88 × 4,648.56
  4. Step 4: Simplify right side
    7,631.64x = 48,972,021.77
  5. Step 5: Solve for x
    x = 48,972,021.77/7,631.64
  6. Step 6: Final answer
    x = 6,416.97

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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.