Home / 12,701.08-17,527.60-7,397.60

Finding the Fourth Proportional to 12,701.08, 17,527.60 and 7,397.60

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Solution

The fourth proportional to 12,701.08, 17,527.60 and 7,397.60 is: 10,208.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,701.08 : 17,527.60 = 7,397.60 : x
  2. Step 2: Convert to fraction form
    12,701.08/17,527.60 = 7,397.60/x
  3. Step 3: Cross multiply
    12,701.08x = 17,527.60 × 7,397.60
  4. Step 4: Simplify right side
    12,701.08x = 129,662,173.76
  5. Step 5: Solve for x
    x = 129,662,173.76/12,701.08
  6. Step 6: Final answer
    x = 10,208.75

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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.