Home / 11,245.12-15,528.26-7,003.46

Finding the Fourth Proportional to 11,245.12, 15,528.26 and 7,003.46

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Solution

The fourth proportional to 11,245.12, 15,528.26 and 7,003.46 is: 9,671.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.12 : 15,528.26 = 7,003.46 : x
  2. Step 2: Convert to fraction form
    11,245.12/15,528.26 = 7,003.46/x
  3. Step 3: Cross multiply
    11,245.12x = 15,528.26 × 7,003.46
  4. Step 4: Simplify right side
    11,245.12x = 108,751,547.78
  5. Step 5: Solve for x
    x = 108,751,547.78/11,245.12
  6. Step 6: Final answer
    x = 9,671.00

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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.