Home / 9,014.31-12,439.80-5,035.77

Finding the Fourth Proportional to 9,014.31, 12,439.80 and 5,035.77

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Solution

The fourth proportional to 9,014.31, 12,439.80 and 5,035.77 is: 6,949.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.31 : 12,439.80 = 5,035.77 : x
  2. Step 2: Convert to fraction form
    9,014.31/12,439.80 = 5,035.77/x
  3. Step 3: Cross multiply
    9,014.31x = 12,439.80 × 5,035.77
  4. Step 4: Simplify right side
    9,014.31x = 62,643,971.65
  5. Step 5: Solve for x
    x = 62,643,971.65/9,014.31
  6. Step 6: Final answer
    x = 6,949.39

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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.