Home / 11,558.07-15,950.45-6,842.35

Finding the Fourth Proportional to 11,558.07, 15,950.45 and 6,842.35

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Solution

The fourth proportional to 11,558.07, 15,950.45 and 6,842.35 is: 9,442.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,558.07 : 15,950.45 = 6,842.35 : x
  2. Step 2: Convert to fraction form
    11,558.07/15,950.45 = 6,842.35/x
  3. Step 3: Cross multiply
    11,558.07x = 15,950.45 × 6,842.35
  4. Step 4: Simplify right side
    11,558.07x = 109,138,598.60
  5. Step 5: Solve for x
    x = 109,138,598.60/11,558.07
  6. Step 6: Final answer
    x = 9,442.63

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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.