Home / 10,970.56-15,140.84-6,493.96

Finding the Fourth Proportional to 10,970.56, 15,140.84 and 6,493.96

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Solution

The fourth proportional to 10,970.56, 15,140.84 and 6,493.96 is: 8,962.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.56 : 15,140.84 = 6,493.96 : x
  2. Step 2: Convert to fraction form
    10,970.56/15,140.84 = 6,493.96/x
  3. Step 3: Cross multiply
    10,970.56x = 15,140.84 × 6,493.96
  4. Step 4: Simplify right side
    10,970.56x = 98,324,009.33
  5. Step 5: Solve for x
    x = 98,324,009.33/10,970.56
  6. Step 6: Final answer
    x = 8,962.53

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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.