Home / 8,507.19-11,739.96-4,969.65

Finding the Fourth Proportional to 8,507.19, 11,739.96 and 4,969.65

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Solution

The fourth proportional to 8,507.19, 11,739.96 and 4,969.65 is: 6,858.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.19 : 11,739.96 = 4,969.65 : x
  2. Step 2: Convert to fraction form
    8,507.19/11,739.96 = 4,969.65/x
  3. Step 3: Cross multiply
    8,507.19x = 11,739.96 × 4,969.65
  4. Step 4: Simplify right side
    8,507.19x = 58,343,492.21
  5. Step 5: Solve for x
    x = 58,343,492.21/8,507.19
  6. Step 6: Final answer
    x = 6,858.14

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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.