Home / 9,316.48-12,856.17-5,336.68

Finding the Fourth Proportional to 9,316.48, 12,856.17 and 5,336.68

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Solution

The fourth proportional to 9,316.48, 12,856.17 and 5,336.68 is: 7,364.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,316.48 : 12,856.17 = 5,336.68 : x
  2. Step 2: Convert to fraction form
    9,316.48/12,856.17 = 5,336.68/x
  3. Step 3: Cross multiply
    9,316.48x = 12,856.17 × 5,336.68
  4. Step 4: Simplify right side
    9,316.48x = 68,609,265.32
  5. Step 5: Solve for x
    x = 68,609,265.32/9,316.48
  6. Step 6: Final answer
    x = 7,364.29

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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.