Home / 10,394.74-14,345.13-5,679.06

Finding the Fourth Proportional to 10,394.74, 14,345.13 and 5,679.06

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Solution

The fourth proportional to 10,394.74, 14,345.13 and 5,679.06 is: 7,837.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,394.74 : 14,345.13 = 5,679.06 : x
  2. Step 2: Convert to fraction form
    10,394.74/14,345.13 = 5,679.06/x
  3. Step 3: Cross multiply
    10,394.74x = 14,345.13 × 5,679.06
  4. Step 4: Simplify right side
    10,394.74x = 81,466,853.98
  5. Step 5: Solve for x
    x = 81,466,853.98/10,394.74
  6. Step 6: Final answer
    x = 7,837.32

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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.