Home / 9,717.30-13,416.21-7,475.04

Finding the Fourth Proportional to 9,717.30, 13,416.21 and 7,475.04

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Solution

The fourth proportional to 9,717.30, 13,416.21 and 7,475.04 is: 10,320.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.30 : 13,416.21 = 7,475.04 : x
  2. Step 2: Convert to fraction form
    9,717.30/13,416.21 = 7,475.04/x
  3. Step 3: Cross multiply
    9,717.30x = 13,416.21 × 7,475.04
  4. Step 4: Simplify right side
    9,717.30x = 100,286,706.40
  5. Step 5: Solve for x
    x = 100,286,706.40/9,717.30
  6. Step 6: Final answer
    x = 10,320.43

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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.