Home / 10,713.43-14,782.77-6,731.72

Finding the Fourth Proportional to 10,713.43, 14,782.77 and 6,731.72

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Solution

The fourth proportional to 10,713.43, 14,782.77 and 6,731.72 is: 9,288.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,713.43 : 14,782.77 = 6,731.72 : x
  2. Step 2: Convert to fraction form
    10,713.43/14,782.77 = 6,731.72/x
  3. Step 3: Cross multiply
    10,713.43x = 14,782.77 × 6,731.72
  4. Step 4: Simplify right side
    10,713.43x = 99,513,468.46
  5. Step 5: Solve for x
    x = 99,513,468.46/10,713.43
  6. Step 6: Final answer
    x = 9,288.67

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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.