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Finding the Fourth Proportional to 10,898.98, 15,045.16 and 7,366.97

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Solution

The fourth proportional to 10,898.98, 15,045.16 and 7,366.97 is: 10,169.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.98 : 15,045.16 = 7,366.97 : x
  2. Step 2: Convert to fraction form
    10,898.98/15,045.16 = 7,366.97/x
  3. Step 3: Cross multiply
    10,898.98x = 15,045.16 × 7,366.97
  4. Step 4: Simplify right side
    10,898.98x = 110,837,275.37
  5. Step 5: Solve for x
    x = 110,837,275.37/10,898.98
  6. Step 6: Final answer
    x = 10,169.51

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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.