Home / 10,495.03-15,742.58-4,255.16

Finding the Fourth Proportional to 10,495.03, 15,742.58 and 4,255.16

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Solution

The fourth proportional to 10,495.03, 15,742.58 and 4,255.16 is: 6,382.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,495.03 : 15,742.58 = 4,255.16 : x
  2. Step 2: Convert to fraction form
    10,495.03/15,742.58 = 4,255.16/x
  3. Step 3: Cross multiply
    10,495.03x = 15,742.58 × 4,255.16
  4. Step 4: Simplify right side
    10,495.03x = 66,987,214.79
  5. Step 5: Solve for x
    x = 66,987,214.79/10,495.03
  6. Step 6: Final answer
    x = 6,382.76

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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.