Home / 12,207.53-18,312.01-4,711.13

Finding the Fourth Proportional to 12,207.53, 18,312.01 and 4,711.13

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Solution

The fourth proportional to 12,207.53, 18,312.01 and 4,711.13 is: 7,066.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.53 : 18,312.01 = 4,711.13 : x
  2. Step 2: Convert to fraction form
    12,207.53/18,312.01 = 4,711.13/x
  3. Step 3: Cross multiply
    12,207.53x = 18,312.01 × 4,711.13
  4. Step 4: Simplify right side
    12,207.53x = 86,270,311.03
  5. Step 5: Solve for x
    x = 86,270,311.03/12,207.53
  6. Step 6: Final answer
    x = 7,066.97

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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.