Home / 11,207.23-15,459.15-6,901.02

Finding the Fourth Proportional to 11,207.23, 15,459.15 and 6,901.02

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Solution

The fourth proportional to 11,207.23, 15,459.15 and 6,901.02 is: 9,519.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.23 : 15,459.15 = 6,901.02 : x
  2. Step 2: Convert to fraction form
    11,207.23/15,459.15 = 6,901.02/x
  3. Step 3: Cross multiply
    11,207.23x = 15,459.15 × 6,901.02
  4. Step 4: Simplify right side
    11,207.23x = 106,683,903.33
  5. Step 5: Solve for x
    x = 106,683,903.33/11,207.23
  6. Step 6: Final answer
    x = 9,519.20

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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.