Home / 10,628.70-14,666.58-6,151.56

Finding the Fourth Proportional to 10,628.70, 14,666.58 and 6,151.56

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Solution

The fourth proportional to 10,628.70, 14,666.58 and 6,151.56 is: 8,488.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.70 : 14,666.58 = 6,151.56 : x
  2. Step 2: Convert to fraction form
    10,628.70/14,666.58 = 6,151.56/x
  3. Step 3: Cross multiply
    10,628.70x = 14,666.58 × 6,151.56
  4. Step 4: Simplify right side
    10,628.70x = 90,222,346.86
  5. Step 5: Solve for x
    x = 90,222,346.86/10,628.70
  6. Step 6: Final answer
    x = 8,488.56

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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.