Home / 10,899.82-15,036.60-7,364.26

Finding the Fourth Proportional to 10,899.82, 15,036.60 and 7,364.26

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Solution

The fourth proportional to 10,899.82, 15,036.60 and 7,364.26 is: 10,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.82 : 15,036.60 = 7,364.26 : x
  2. Step 2: Convert to fraction form
    10,899.82/15,036.60 = 7,364.26/x
  3. Step 3: Cross multiply
    10,899.82x = 15,036.60 × 7,364.26
  4. Step 4: Simplify right side
    10,899.82x = 110,733,431.92
  5. Step 5: Solve for x
    x = 110,733,431.92/10,899.82
  6. Step 6: Final answer
    x = 10,159.20

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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.