Home / 11,775.18-16,252.56-6,742.32

Finding the Fourth Proportional to 11,775.18, 16,252.56 and 6,742.32

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Solution

The fourth proportional to 11,775.18, 16,252.56 and 6,742.32 is: 9,306.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,775.18 : 16,252.56 = 6,742.32 : x
  2. Step 2: Convert to fraction form
    11,775.18/16,252.56 = 6,742.32/x
  3. Step 3: Cross multiply
    11,775.18x = 16,252.56 × 6,742.32
  4. Step 4: Simplify right side
    11,775.18x = 109,579,960.34
  5. Step 5: Solve for x
    x = 109,579,960.34/11,775.18
  6. Step 6: Final answer
    x = 9,306.01

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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.