Home / 12,353.40-17,047.08-6,975.72

Finding the Fourth Proportional to 12,353.40, 17,047.08 and 6,975.72

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Solution

The fourth proportional to 12,353.40, 17,047.08 and 6,975.72 is: 9,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,353.40 : 17,047.08 = 6,975.72 : x
  2. Step 2: Convert to fraction form
    12,353.40/17,047.08 = 6,975.72/x
  3. Step 3: Cross multiply
    12,353.40x = 17,047.08 × 6,975.72
  4. Step 4: Simplify right side
    12,353.40x = 118,915,656.90
  5. Step 5: Solve for x
    x = 118,915,656.90/12,353.40
  6. Step 6: Final answer
    x = 9,626.15

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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.