Home / 9,386.39-12,953.04-5,194.64

Finding the Fourth Proportional to 9,386.39, 12,953.04 and 5,194.64

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Solution

The fourth proportional to 9,386.39, 12,953.04 and 5,194.64 is: 7,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,386.39 : 12,953.04 = 5,194.64 : x
  2. Step 2: Convert to fraction form
    9,386.39/12,953.04 = 5,194.64/x
  3. Step 3: Cross multiply
    9,386.39x = 12,953.04 × 5,194.64
  4. Step 4: Simplify right side
    9,386.39x = 67,286,379.71
  5. Step 5: Solve for x
    x = 67,286,379.71/9,386.39
  6. Step 6: Final answer
    x = 7,168.50

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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.