Home / 8,308.37-11,465.40-4,531.56

Finding the Fourth Proportional to 8,308.37, 11,465.40 and 4,531.56

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Solution

The fourth proportional to 8,308.37, 11,465.40 and 4,531.56 is: 6,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,308.37 : 11,465.40 = 4,531.56 : x
  2. Step 2: Convert to fraction form
    8,308.37/11,465.40 = 4,531.56/x
  3. Step 3: Cross multiply
    8,308.37x = 11,465.40 × 4,531.56
  4. Step 4: Simplify right side
    8,308.37x = 51,956,148.02
  5. Step 5: Solve for x
    x = 51,956,148.02/8,308.37
  6. Step 6: Final answer
    x = 6,253.47

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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.