Home / 8,064.37-11,129.57-4,708.81

Finding the Fourth Proportional to 8,064.37, 11,129.57 and 4,708.81

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Solution

The fourth proportional to 8,064.37, 11,129.57 and 4,708.81 is: 6,498.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064.37 : 11,129.57 = 4,708.81 : x
  2. Step 2: Convert to fraction form
    8,064.37/11,129.57 = 4,708.81/x
  3. Step 3: Cross multiply
    8,064.37x = 11,129.57 × 4,708.81
  4. Step 4: Simplify right side
    8,064.37x = 52,407,030.51
  5. Step 5: Solve for x
    x = 52,407,030.51/8,064.37
  6. Step 6: Final answer
    x = 6,498.59

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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.