Home / 10,937.43-16,398.86-5,313.60

Finding the Fourth Proportional to 10,937.43, 16,398.86 and 5,313.60

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Solution

The fourth proportional to 10,937.43, 16,398.86 and 5,313.60 is: 7,966.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,937.43 : 16,398.86 = 5,313.60 : x
  2. Step 2: Convert to fraction form
    10,937.43/16,398.86 = 5,313.60/x
  3. Step 3: Cross multiply
    10,937.43x = 16,398.86 × 5,313.60
  4. Step 4: Simplify right side
    10,937.43x = 87,136,955.93
  5. Step 5: Solve for x
    x = 87,136,955.93/10,937.43
  6. Step 6: Final answer
    x = 7,966.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.