Home / 10,487.09-14,473.15-5,771.68

Finding the Fourth Proportional to 10,487.09, 14,473.15 and 5,771.68

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Solution

The fourth proportional to 10,487.09, 14,473.15 and 5,771.68 is: 7,965.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.09 : 14,473.15 = 5,771.68 : x
  2. Step 2: Convert to fraction form
    10,487.09/14,473.15 = 5,771.68/x
  3. Step 3: Cross multiply
    10,487.09x = 14,473.15 × 5,771.68
  4. Step 4: Simplify right side
    10,487.09x = 83,534,339.78
  5. Step 5: Solve for x
    x = 83,534,339.78/10,487.09
  6. Step 6: Final answer
    x = 7,965.44

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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.