Home / 11,245.01-15,528.09-7,003.35

Finding the Fourth Proportional to 11,245.01, 15,528.09 and 7,003.35

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Solution

The fourth proportional to 11,245.01, 15,528.09 and 7,003.35 is: 9,670.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,245.01 : 15,528.09 = 7,003.35 : x
  2. Step 2: Convert to fraction form
    11,245.01/15,528.09 = 7,003.35/x
  3. Step 3: Cross multiply
    11,245.01x = 15,528.09 × 7,003.35
  4. Step 4: Simplify right side
    11,245.01x = 108,748,649.10
  5. Step 5: Solve for x
    x = 108,748,649.10/11,245.01
  6. Step 6: Final answer
    x = 9,670.84

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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.