Home / 12,253.96-16,907.86-7,216.35

Finding the Fourth Proportional to 12,253.96, 16,907.86 and 7,216.35

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Solution

The fourth proportional to 12,253.96, 16,907.86 and 7,216.35 is: 9,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,253.96 : 16,907.86 = 7,216.35 : x
  2. Step 2: Convert to fraction form
    12,253.96/16,907.86 = 7,216.35/x
  3. Step 3: Cross multiply
    12,253.96x = 16,907.86 × 7,216.35
  4. Step 4: Simplify right side
    12,253.96x = 122,013,035.51
  5. Step 5: Solve for x
    x = 122,013,035.51/12,253.96
  6. Step 6: Final answer
    x = 9,957.03

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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.