Home / 10,486.88-14,471.58-5,771.16

Finding the Fourth Proportional to 10,486.88, 14,471.58 and 5,771.16

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Solution

The fourth proportional to 10,486.88, 14,471.58 and 5,771.16 is: 7,964.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,486.88 : 14,471.58 = 5,771.16 : x
  2. Step 2: Convert to fraction form
    10,486.88/14,471.58 = 5,771.16/x
  3. Step 3: Cross multiply
    10,486.88x = 14,471.58 × 5,771.16
  4. Step 4: Simplify right side
    10,486.88x = 83,517,803.63
  5. Step 5: Solve for x
    x = 83,517,803.63/10,486.88
  6. Step 6: Final answer
    x = 7,964.03

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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.