Home / 9,853.10-13,597.38-5,376.80

Finding the Fourth Proportional to 9,853.10, 13,597.38 and 5,376.80

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Solution

The fourth proportional to 9,853.10, 13,597.38 and 5,376.80 is: 7,420.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853.10 : 13,597.38 = 5,376.80 : x
  2. Step 2: Convert to fraction form
    9,853.10/13,597.38 = 5,376.80/x
  3. Step 3: Cross multiply
    9,853.10x = 13,597.38 × 5,376.80
  4. Step 4: Simplify right side
    9,853.10x = 73,110,392.78
  5. Step 5: Solve for x
    x = 73,110,392.78/9,853.10
  6. Step 6: Final answer
    x = 7,420.04

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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.