Home / 27,079.61-40,607.79-9,312.05

Finding the Fourth Proportional to 27,079.61, 40,607.79 and 9,312.05

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Solution

The fourth proportional to 27,079.61, 40,607.79 and 9,312.05 is: 13,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,079.61 : 40,607.79 = 9,312.05 : x
  2. Step 2: Convert to fraction form
    27,079.61/40,607.79 = 9,312.05/x
  3. Step 3: Cross multiply
    27,079.61x = 40,607.79 × 9,312.05
  4. Step 4: Simplify right side
    27,079.61x = 378,141,872.39
  5. Step 5: Solve for x
    x = 378,141,872.39/27,079.61
  6. Step 6: Final answer
    x = 13,964.08

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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.