Home / 9,765.26-13,475.10-5,457.56

Finding the Fourth Proportional to 9,765.26, 13,475.10 and 5,457.56

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Solution

The fourth proportional to 9,765.26, 13,475.10 and 5,457.56 is: 7,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.26 : 13,475.10 = 5,457.56 : x
  2. Step 2: Convert to fraction form
    9,765.26/13,475.10 = 5,457.56/x
  3. Step 3: Cross multiply
    9,765.26x = 13,475.10 × 5,457.56
  4. Step 4: Simplify right side
    9,765.26x = 73,541,166.76
  5. Step 5: Solve for x
    x = 73,541,166.76/9,765.26
  6. Step 6: Final answer
    x = 7,530.90

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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.