Home / 12,359.15-17,055.56-6,693.81

Finding the Fourth Proportional to 12,359.15, 17,055.56 and 6,693.81

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Solution

The fourth proportional to 12,359.15, 17,055.56 and 6,693.81 is: 9,237.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,359.15 : 17,055.56 = 6,693.81 : x
  2. Step 2: Convert to fraction form
    12,359.15/17,055.56 = 6,693.81/x
  3. Step 3: Cross multiply
    12,359.15x = 17,055.56 × 6,693.81
  4. Step 4: Simplify right side
    12,359.15x = 114,166,630.86
  5. Step 5: Solve for x
    x = 114,166,630.86/12,359.15
  6. Step 6: Final answer
    x = 9,237.42

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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.