Home / 13,284.91-18,332.94-7,316.47

Finding the Fourth Proportional to 13,284.91, 18,332.94 and 7,316.47

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Solution

The fourth proportional to 13,284.91, 18,332.94 and 7,316.47 is: 10,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.91 : 18,332.94 = 7,316.47 : x
  2. Step 2: Convert to fraction form
    13,284.91/18,332.94 = 7,316.47/x
  3. Step 3: Cross multiply
    13,284.91x = 18,332.94 × 7,316.47
  4. Step 4: Simplify right side
    13,284.91x = 134,132,405.52
  5. Step 5: Solve for x
    x = 134,132,405.52/13,284.91
  6. Step 6: Final answer
    x = 10,096.60

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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.