Home / 10,812.50-14,921.44-6,337.52

Finding the Fourth Proportional to 10,812.50, 14,921.44 and 6,337.52

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Solution

The fourth proportional to 10,812.50, 14,921.44 and 6,337.52 is: 8,745.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,812.50 : 14,921.44 = 6,337.52 : x
  2. Step 2: Convert to fraction form
    10,812.50/14,921.44 = 6,337.52/x
  3. Step 3: Cross multiply
    10,812.50x = 14,921.44 × 6,337.52
  4. Step 4: Simplify right side
    10,812.50x = 94,564,924.43
  5. Step 5: Solve for x
    x = 94,564,924.43/10,812.50
  6. Step 6: Final answer
    x = 8,745.89

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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.