Home / 10,857.60-14,983.52-5,889.60

Finding the Fourth Proportional to 10,857.60, 14,983.52 and 5,889.60

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Solution

The fourth proportional to 10,857.60, 14,983.52 and 5,889.60 is: 8,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,857.60 : 14,983.52 = 5,889.60 : x
  2. Step 2: Convert to fraction form
    10,857.60/14,983.52 = 5,889.60/x
  3. Step 3: Cross multiply
    10,857.60x = 14,983.52 × 5,889.60
  4. Step 4: Simplify right side
    10,857.60x = 88,246,939.39
  5. Step 5: Solve for x
    x = 88,246,939.39/10,857.60
  6. Step 6: Final answer
    x = 8,127.67

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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.