Home / 10,342.16-14,272.28-5,626.48

Finding the Fourth Proportional to 10,342.16, 14,272.28 and 5,626.48

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Solution

The fourth proportional to 10,342.16, 14,272.28 and 5,626.48 is: 7,764.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.16 : 14,272.28 = 5,626.48 : x
  2. Step 2: Convert to fraction form
    10,342.16/14,272.28 = 5,626.48/x
  3. Step 3: Cross multiply
    10,342.16x = 14,272.28 × 5,626.48
  4. Step 4: Simplify right side
    10,342.16x = 80,302,697.97
  5. Step 5: Solve for x
    x = 80,302,697.97/10,342.16
  6. Step 6: Final answer
    x = 7,764.60

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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.