Home / 10,343.40-14,273.16-5,627.58

Finding the Fourth Proportional to 10,343.40, 14,273.16 and 5,627.58

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Solution

The fourth proportional to 10,343.40, 14,273.16 and 5,627.58 is: 7,765.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,343.40 : 14,273.16 = 5,627.58 : x
  2. Step 2: Convert to fraction form
    10,343.40/14,273.16 = 5,627.58/x
  3. Step 3: Cross multiply
    10,343.40x = 14,273.16 × 5,627.58
  4. Step 4: Simplify right side
    10,343.40x = 80,323,349.75
  5. Step 5: Solve for x
    x = 80,323,349.75/10,343.40
  6. Step 6: Final answer
    x = 7,765.66

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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.