Home / 7,945.65-10,962.23-6,754.77

Finding the Fourth Proportional to 7,945.65, 10,962.23 and 6,754.77

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Solution

The fourth proportional to 7,945.65, 10,962.23 and 6,754.77 is: 9,319.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,945.65 : 10,962.23 = 6,754.77 : x
  2. Step 2: Convert to fraction form
    7,945.65/10,962.23 = 6,754.77/x
  3. Step 3: Cross multiply
    7,945.65x = 10,962.23 × 6,754.77
  4. Step 4: Simplify right side
    7,945.65x = 74,047,308.56
  5. Step 5: Solve for x
    x = 74,047,308.56/7,945.65
  6. Step 6: Final answer
    x = 9,319.23

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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.