Home / 10,180.93-14,056.56-6,358.40

Finding the Fourth Proportional to 10,180.93, 14,056.56 and 6,358.40

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Solution

The fourth proportional to 10,180.93, 14,056.56 and 6,358.40 is: 8,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,180.93 : 14,056.56 = 6,358.40 : x
  2. Step 2: Convert to fraction form
    10,180.93/14,056.56 = 6,358.40/x
  3. Step 3: Cross multiply
    10,180.93x = 14,056.56 × 6,358.40
  4. Step 4: Simplify right side
    10,180.93x = 89,377,231.10
  5. Step 5: Solve for x
    x = 89,377,231.10/10,180.93
  6. Step 6: Final answer
    x = 8,778.89

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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.