Home / 13,284.68-18,333.18-7,316.54

Finding the Fourth Proportional to 13,284.68, 18,333.18 and 7,316.54

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Solution

The fourth proportional to 13,284.68, 18,333.18 and 7,316.54 is: 10,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,284.68 : 18,333.18 = 7,316.54 : x
  2. Step 2: Convert to fraction form
    13,284.68/18,333.18 = 7,316.54/x
  3. Step 3: Cross multiply
    13,284.68x = 18,333.18 × 7,316.54
  4. Step 4: Simplify right side
    13,284.68x = 134,135,444.80
  5. Step 5: Solve for x
    x = 134,135,444.80/13,284.68
  6. Step 6: Final answer
    x = 10,097.00

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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.