Home / 9,148.48-12,625.68-7,653.76

Finding the Fourth Proportional to 9,148.48, 12,625.68 and 7,653.76

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Solution

The fourth proportional to 9,148.48, 12,625.68 and 7,653.76 is: 10,562.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.48 : 12,625.68 = 7,653.76 : x
  2. Step 2: Convert to fraction form
    9,148.48/12,625.68 = 7,653.76/x
  3. Step 3: Cross multiply
    9,148.48x = 12,625.68 × 7,653.76
  4. Step 4: Simplify right side
    9,148.48x = 96,633,924.56
  5. Step 5: Solve for x
    x = 96,633,924.56/9,148.48
  6. Step 6: Final answer
    x = 10,562.84

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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.