Home / 10,837.46-14,945.68-8,319.68

Finding the Fourth Proportional to 10,837.46, 14,945.68 and 8,319.68

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Solution

The fourth proportional to 10,837.46, 14,945.68 and 8,319.68 is: 11,473.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.46 : 14,945.68 = 8,319.68 : x
  2. Step 2: Convert to fraction form
    10,837.46/14,945.68 = 8,319.68/x
  3. Step 3: Cross multiply
    10,837.46x = 14,945.68 × 8,319.68
  4. Step 4: Simplify right side
    10,837.46x = 124,343,274.98
  5. Step 5: Solve for x
    x = 124,343,274.98/10,837.46
  6. Step 6: Final answer
    x = 11,473.47

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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.