Home / 10,395.12-14,346.08-5,920.24

Finding the Fourth Proportional to 10,395.12, 14,346.08 and 5,920.24

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Solution

The fourth proportional to 10,395.12, 14,346.08 and 5,920.24 is: 8,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.12 : 14,346.08 = 5,920.24 : x
  2. Step 2: Convert to fraction form
    10,395.12/14,346.08 = 5,920.24/x
  3. Step 3: Cross multiply
    10,395.12x = 14,346.08 × 5,920.24
  4. Step 4: Simplify right side
    10,395.12x = 84,932,236.66
  5. Step 5: Solve for x
    x = 84,932,236.66/10,395.12
  6. Step 6: Final answer
    x = 8,170.40

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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.