Home / 10,316.56-15,469.74-7,353.40

Finding the Fourth Proportional to 10,316.56, 15,469.74 and 7,353.40

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Solution

The fourth proportional to 10,316.56, 15,469.74 and 7,353.40 is: 11,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.56 : 15,469.74 = 7,353.40 : x
  2. Step 2: Convert to fraction form
    10,316.56/15,469.74 = 7,353.40/x
  3. Step 3: Cross multiply
    10,316.56x = 15,469.74 × 7,353.40
  4. Step 4: Simplify right side
    10,316.56x = 113,755,186.12
  5. Step 5: Solve for x
    x = 113,755,186.12/10,316.56
  6. Step 6: Final answer
    x = 11,026.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.