Home / 12,653.32-17,454.30-7,347.44

Finding the Fourth Proportional to 12,653.32, 17,454.30 and 7,347.44

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Solution

The fourth proportional to 12,653.32, 17,454.30 and 7,347.44 is: 10,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,653.32 : 17,454.30 = 7,347.44 : x
  2. Step 2: Convert to fraction form
    12,653.32/17,454.30 = 7,347.44/x
  3. Step 3: Cross multiply
    12,653.32x = 17,454.30 × 7,347.44
  4. Step 4: Simplify right side
    12,653.32x = 128,244,421.99
  5. Step 5: Solve for x
    x = 128,244,421.99/12,653.32
  6. Step 6: Final answer
    x = 10,135.24

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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.