Home / 12,336.60-17,021.70-7,030.56

Finding the Fourth Proportional to 12,336.60, 17,021.70 and 7,030.56

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Solution

The fourth proportional to 12,336.60, 17,021.70 and 7,030.56 is: 9,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,336.60 : 17,021.70 = 7,030.56 : x
  2. Step 2: Convert to fraction form
    12,336.60/17,021.70 = 7,030.56/x
  3. Step 3: Cross multiply
    12,336.60x = 17,021.70 × 7,030.56
  4. Step 4: Simplify right side
    12,336.60x = 119,672,083.15
  5. Step 5: Solve for x
    x = 119,672,083.15/12,336.60
  6. Step 6: Final answer
    x = 9,700.57

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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.