Home / 10,079.08-15,112.74-7,412.26

Finding the Fourth Proportional to 10,079.08, 15,112.74 and 7,412.26

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Solution

The fourth proportional to 10,079.08, 15,112.74 and 7,412.26 is: 11,114.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.08 : 15,112.74 = 7,412.26 : x
  2. Step 2: Convert to fraction form
    10,079.08/15,112.74 = 7,412.26/x
  3. Step 3: Cross multiply
    10,079.08x = 15,112.74 × 7,412.26
  4. Step 4: Simplify right side
    10,079.08x = 112,019,558.19
  5. Step 5: Solve for x
    x = 112,019,558.19/10,079.08
  6. Step 6: Final answer
    x = 11,114.07

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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.