Home / 9,928.41-13,657.66-8,304.58

Finding the Fourth Proportional to 9,928.41, 13,657.66 and 8,304.58

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Solution

The fourth proportional to 9,928.41, 13,657.66 and 8,304.58 is: 11,423.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.41 : 13,657.66 = 8,304.58 : x
  2. Step 2: Convert to fraction form
    9,928.41/13,657.66 = 8,304.58/x
  3. Step 3: Cross multiply
    9,928.41x = 13,657.66 × 8,304.58
  4. Step 4: Simplify right side
    9,928.41x = 113,421,130.08
  5. Step 5: Solve for x
    x = 113,421,130.08/9,928.41
  6. Step 6: Final answer
    x = 11,423.90

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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.