Home / 9,282.05-12,808.68-5,303.54

Finding the Fourth Proportional to 9,282.05, 12,808.68 and 5,303.54

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Solution

The fourth proportional to 9,282.05, 12,808.68 and 5,303.54 is: 7,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,282.05 : 12,808.68 = 5,303.54 : x
  2. Step 2: Convert to fraction form
    9,282.05/12,808.68 = 5,303.54/x
  3. Step 3: Cross multiply
    9,282.05x = 12,808.68 × 5,303.54
  4. Step 4: Simplify right side
    9,282.05x = 67,931,282.68
  5. Step 5: Solve for x
    x = 67,931,282.68/9,282.05
  6. Step 6: Final answer
    x = 7,318.57

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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.