Home / 13,284.67-18,332.96-7,316.36

Finding the Fourth Proportional to 13,284.67, 18,332.96 and 7,316.36

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Solution

The fourth proportional to 13,284.67, 18,332.96 and 7,316.36 is: 10,096.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.67 : 18,332.96 = 7,316.36 : x
  2. Step 2: Convert to fraction form
    13,284.67/18,332.96 = 7,316.36/x
  3. Step 3: Cross multiply
    13,284.67x = 18,332.96 × 7,316.36
  4. Step 4: Simplify right side
    13,284.67x = 134,130,535.23
  5. Step 5: Solve for x
    x = 134,130,535.23/13,284.67
  6. Step 6: Final answer
    x = 10,096.64

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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.