Home / 11,750.43-16,215.08-6,715.47

Finding the Fourth Proportional to 11,750.43, 16,215.08 and 6,715.47

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Solution

The fourth proportional to 11,750.43, 16,215.08 and 6,715.47 is: 9,267.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,750.43 : 16,215.08 = 6,715.47 : x
  2. Step 2: Convert to fraction form
    11,750.43/16,215.08 = 6,715.47/x
  3. Step 3: Cross multiply
    11,750.43x = 16,215.08 × 6,715.47
  4. Step 4: Simplify right side
    11,750.43x = 108,891,849.71
  5. Step 5: Solve for x
    x = 108,891,849.71/11,750.43
  6. Step 6: Final answer
    x = 9,267.05

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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.