Home / 9,688.08-13,366.61-5,707.74

Finding the Fourth Proportional to 9,688.08, 13,366.61 and 5,707.74

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Solution

The fourth proportional to 9,688.08, 13,366.61 and 5,707.74 is: 7,874.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.08 : 13,366.61 = 5,707.74 : x
  2. Step 2: Convert to fraction form
    9,688.08/13,366.61 = 5,707.74/x
  3. Step 3: Cross multiply
    9,688.08x = 13,366.61 × 5,707.74
  4. Step 4: Simplify right side
    9,688.08x = 76,293,106.02
  5. Step 5: Solve for x
    x = 76,293,106.02/9,688.08
  6. Step 6: Final answer
    x = 7,874.95

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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.