Home / 10,561.07-14,573.30-6,311.30

Finding the Fourth Proportional to 10,561.07, 14,573.30 and 6,311.30

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Solution

The fourth proportional to 10,561.07, 14,573.30 and 6,311.30 is: 8,709.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,561.07 : 14,573.30 = 6,311.30 : x
  2. Step 2: Convert to fraction form
    10,561.07/14,573.30 = 6,311.30/x
  3. Step 3: Cross multiply
    10,561.07x = 14,573.30 × 6,311.30
  4. Step 4: Simplify right side
    10,561.07x = 91,976,363.87
  5. Step 5: Solve for x
    x = 91,976,363.87/10,561.07
  6. Step 6: Final answer
    x = 8,709.00

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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.