Home / 46,405.20-69,607.80-11,345.20

Finding the Fourth Proportional to 46,405.20, 69,607.80 and 11,345.20

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Solution

The fourth proportional to 46,405.20, 69,607.80 and 11,345.20 is: 17,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,405.20 : 69,607.80 = 11,345.20 : x
  2. Step 2: Convert to fraction form
    46,405.20/69,607.80 = 11,345.20/x
  3. Step 3: Cross multiply
    46,405.20x = 69,607.80 × 11,345.20
  4. Step 4: Simplify right side
    46,405.20x = 789,714,412.56
  5. Step 5: Solve for x
    x = 789,714,412.56/46,405.20
  6. Step 6: Final answer
    x = 17,017.80

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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.