Home / 11,955.32-17,935.11-4,931.42

Finding the Fourth Proportional to 11,955.32, 17,935.11 and 4,931.42

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Solution

The fourth proportional to 11,955.32, 17,935.11 and 4,931.42 is: 7,398.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,955.32 : 17,935.11 = 4,931.42 : x
  2. Step 2: Convert to fraction form
    11,955.32/17,935.11 = 4,931.42/x
  3. Step 3: Cross multiply
    11,955.32x = 17,935.11 × 4,931.42
  4. Step 4: Simplify right side
    11,955.32x = 88,445,560.16
  5. Step 5: Solve for x
    x = 88,445,560.16/11,955.32
  6. Step 6: Final answer
    x = 7,398.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.