Home / 12,239.27-18,368.13-5,670.06

Finding the Fourth Proportional to 12,239.27, 18,368.13 and 5,670.06

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Solution

The fourth proportional to 12,239.27, 18,368.13 and 5,670.06 is: 8,509.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,239.27 : 18,368.13 = 5,670.06 : x
  2. Step 2: Convert to fraction form
    12,239.27/18,368.13 = 5,670.06/x
  3. Step 3: Cross multiply
    12,239.27x = 18,368.13 × 5,670.06
  4. Step 4: Simplify right side
    12,239.27x = 104,148,399.19
  5. Step 5: Solve for x
    x = 104,148,399.19/12,239.27
  6. Step 6: Final answer
    x = 8,509.37

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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.