Home / 9,135.42-13,693.23-4,686.99

Finding the Fourth Proportional to 9,135.42, 13,693.23 and 4,686.99

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Solution

The fourth proportional to 9,135.42, 13,693.23 and 4,686.99 is: 7,025.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.42 : 13,693.23 = 4,686.99 : x
  2. Step 2: Convert to fraction form
    9,135.42/13,693.23 = 4,686.99/x
  3. Step 3: Cross multiply
    9,135.42x = 13,693.23 × 4,686.99
  4. Step 4: Simplify right side
    9,135.42x = 64,180,032.08
  5. Step 5: Solve for x
    x = 64,180,032.08/9,135.42
  6. Step 6: Final answer
    x = 7,025.41

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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.