Home / 10,272.34-15,424.71-6,394.06

Finding the Fourth Proportional to 10,272.34, 15,424.71 and 6,394.06

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Solution

The fourth proportional to 10,272.34, 15,424.71 and 6,394.06 is: 9,601.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.34 : 15,424.71 = 6,394.06 : x
  2. Step 2: Convert to fraction form
    10,272.34/15,424.71 = 6,394.06/x
  3. Step 3: Cross multiply
    10,272.34x = 15,424.71 × 6,394.06
  4. Step 4: Simplify right side
    10,272.34x = 98,626,521.22
  5. Step 5: Solve for x
    x = 98,626,521.22/10,272.34
  6. Step 6: Final answer
    x = 9,601.17

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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.