Home / 12,247.67-16,907.54-7,210.28

Finding the Fourth Proportional to 12,247.67, 16,907.54 and 7,210.28

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Solution

The fourth proportional to 12,247.67, 16,907.54 and 7,210.28 is: 9,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.67 : 16,907.54 = 7,210.28 : x
  2. Step 2: Convert to fraction form
    12,247.67/16,907.54 = 7,210.28/x
  3. Step 3: Cross multiply
    12,247.67x = 16,907.54 × 7,210.28
  4. Step 4: Simplify right side
    12,247.67x = 121,908,103.73
  5. Step 5: Solve for x
    x = 121,908,103.73/12,247.67
  6. Step 6: Final answer
    x = 9,953.57

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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.