Home / 9,030.05-12,458.24-5,251.85

Finding the Fourth Proportional to 9,030.05, 12,458.24 and 5,251.85

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Solution

The fourth proportional to 9,030.05, 12,458.24 and 5,251.85 is: 7,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.05 : 12,458.24 = 5,251.85 : x
  2. Step 2: Convert to fraction form
    9,030.05/12,458.24 = 5,251.85/x
  3. Step 3: Cross multiply
    9,030.05x = 12,458.24 × 5,251.85
  4. Step 4: Simplify right side
    9,030.05x = 65,428,719.19
  5. Step 5: Solve for x
    x = 65,428,719.19/9,030.05
  6. Step 6: Final answer
    x = 7,245.67

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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.