Home / 9,790.13-13,510.47-5,313.92

Finding the Fourth Proportional to 9,790.13, 13,510.47 and 5,313.92

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Solution

The fourth proportional to 9,790.13, 13,510.47 and 5,313.92 is: 7,333.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,790.13 : 13,510.47 = 5,313.92 : x
  2. Step 2: Convert to fraction form
    9,790.13/13,510.47 = 5,313.92/x
  3. Step 3: Cross multiply
    9,790.13x = 13,510.47 × 5,313.92
  4. Step 4: Simplify right side
    9,790.13x = 71,793,489.19
  5. Step 5: Solve for x
    x = 71,793,489.19/9,790.13
  6. Step 6: Final answer
    x = 7,333.26

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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.