Home / 12,268.19-16,929.69-7,232.31

Finding the Fourth Proportional to 12,268.19, 16,929.69 and 7,232.31

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Solution

The fourth proportional to 12,268.19, 16,929.69 and 7,232.31 is: 9,980.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,268.19 : 16,929.69 = 7,232.31 : x
  2. Step 2: Convert to fraction form
    12,268.19/16,929.69 = 7,232.31/x
  3. Step 3: Cross multiply
    12,268.19x = 16,929.69 × 7,232.31
  4. Step 4: Simplify right side
    12,268.19x = 122,440,802.65
  5. Step 5: Solve for x
    x = 122,440,802.65/12,268.19
  6. Step 6: Final answer
    x = 9,980.35

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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.