Home / 9,570.06-13,207.13-5,321.56

Finding the Fourth Proportional to 9,570.06, 13,207.13 and 5,321.56

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Solution

The fourth proportional to 9,570.06, 13,207.13 and 5,321.56 is: 7,343.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,570.06 : 13,207.13 = 5,321.56 : x
  2. Step 2: Convert to fraction form
    9,570.06/13,207.13 = 5,321.56/x
  3. Step 3: Cross multiply
    9,570.06x = 13,207.13 × 5,321.56
  4. Step 4: Simplify right side
    9,570.06x = 70,282,475.10
  5. Step 5: Solve for x
    x = 70,282,475.10/9,570.06
  6. Step 6: Final answer
    x = 7,343.99

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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.