Home / 10,395.93-14,346.07-5,680.21

Finding the Fourth Proportional to 10,395.93, 14,346.07 and 5,680.21

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Solution

The fourth proportional to 10,395.93, 14,346.07 and 5,680.21 is: 7,838.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.93 : 14,346.07 = 5,680.21 : x
  2. Step 2: Convert to fraction form
    10,395.93/14,346.07 = 5,680.21/x
  3. Step 3: Cross multiply
    10,395.93x = 14,346.07 × 5,680.21
  4. Step 4: Simplify right side
    10,395.93x = 81,488,590.14
  5. Step 5: Solve for x
    x = 81,488,590.14/10,395.93
  6. Step 6: Final answer
    x = 7,838.51

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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.