Home / 13,030.76-17,983.56-7,366.56

Finding the Fourth Proportional to 13,030.76, 17,983.56 and 7,366.56

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Solution

The fourth proportional to 13,030.76, 17,983.56 and 7,366.56 is: 10,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,030.76 : 17,983.56 = 7,366.56 : x
  2. Step 2: Convert to fraction form
    13,030.76/17,983.56 = 7,366.56/x
  3. Step 3: Cross multiply
    13,030.76x = 17,983.56 × 7,366.56
  4. Step 4: Simplify right side
    13,030.76x = 132,476,973.75
  5. Step 5: Solve for x
    x = 132,476,973.75/13,030.76
  6. Step 6: Final answer
    x = 10,166.48

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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.