Home / 9,561.03-13,194.38-5,312.47

Finding the Fourth Proportional to 9,561.03, 13,194.38 and 5,312.47

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Solution

The fourth proportional to 9,561.03, 13,194.38 and 5,312.47 is: 7,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,561.03 : 13,194.38 = 5,312.47 : x
  2. Step 2: Convert to fraction form
    9,561.03/13,194.38 = 5,312.47/x
  3. Step 3: Cross multiply
    9,561.03x = 13,194.38 × 5,312.47
  4. Step 4: Simplify right side
    9,561.03x = 70,094,747.92
  5. Step 5: Solve for x
    x = 70,094,747.92/9,561.03
  6. Step 6: Final answer
    x = 7,331.30

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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.