Home / 7,431.36-10,254.98-4,448.86

Finding the Fourth Proportional to 7,431.36, 10,254.98 and 4,448.86

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Solution

The fourth proportional to 7,431.36, 10,254.98 and 4,448.86 is: 6,139.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.36 : 10,254.98 = 4,448.86 : x
  2. Step 2: Convert to fraction form
    7,431.36/10,254.98 = 4,448.86/x
  3. Step 3: Cross multiply
    7,431.36x = 10,254.98 × 4,448.86
  4. Step 4: Simplify right side
    7,431.36x = 45,622,970.32
  5. Step 5: Solve for x
    x = 45,622,970.32/7,431.36
  6. Step 6: Final answer
    x = 6,139.25

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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.