Home / 7,442.13-11,165.77-4,953.30

Finding the Fourth Proportional to 7,442.13, 11,165.77 and 4,953.30

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Solution

The fourth proportional to 7,442.13, 11,165.77 and 4,953.30 is: 7,431.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.13 : 11,165.77 = 4,953.30 : x
  2. Step 2: Convert to fraction form
    7,442.13/11,165.77 = 4,953.30/x
  3. Step 3: Cross multiply
    7,442.13x = 11,165.77 × 4,953.30
  4. Step 4: Simplify right side
    7,442.13x = 55,307,449.60
  5. Step 5: Solve for x
    x = 55,307,449.60/7,442.13
  6. Step 6: Final answer
    x = 7,431.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.