Home / 11,525.51-15,905.36-6,748.43

Finding the Fourth Proportional to 11,525.51, 15,905.36 and 6,748.43

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Solution

The fourth proportional to 11,525.51, 15,905.36 and 6,748.43 is: 9,312.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.51 : 15,905.36 = 6,748.43 : x
  2. Step 2: Convert to fraction form
    11,525.51/15,905.36 = 6,748.43/x
  3. Step 3: Cross multiply
    11,525.51x = 15,905.36 × 6,748.43
  4. Step 4: Simplify right side
    11,525.51x = 107,336,095.32
  5. Step 5: Solve for x
    x = 107,336,095.32/11,525.51
  6. Step 6: Final answer
    x = 9,312.92

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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.