Home / 9,790.19-13,510.55-5,313.98

Finding the Fourth Proportional to 9,790.19, 13,510.55 and 5,313.98

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Solution

The fourth proportional to 9,790.19, 13,510.55 and 5,313.98 is: 7,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.19 : 13,510.55 = 5,313.98 : x
  2. Step 2: Convert to fraction form
    9,790.19/13,510.55 = 5,313.98/x
  3. Step 3: Cross multiply
    9,790.19x = 13,510.55 × 5,313.98
  4. Step 4: Simplify right side
    9,790.19x = 71,794,738.22
  5. Step 5: Solve for x
    x = 71,794,738.22/9,790.19
  6. Step 6: Final answer
    x = 7,333.34

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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.