Home / 10,563.28-14,561.80-8,040.99

Finding the Fourth Proportional to 10,563.28, 14,561.80 and 8,040.99

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Solution

The fourth proportional to 10,563.28, 14,561.80 and 8,040.99 is: 11,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,563.28 : 14,561.80 = 8,040.99 : x
  2. Step 2: Convert to fraction form
    10,563.28/14,561.80 = 8,040.99/x
  3. Step 3: Cross multiply
    10,563.28x = 14,561.80 × 8,040.99
  4. Step 4: Simplify right side
    10,563.28x = 117,091,322.69
  5. Step 5: Solve for x
    x = 117,091,322.69/10,563.28
  6. Step 6: Final answer
    x = 11,084.75

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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.