Home / 12,699.16-19,040.84-4,906.14

Finding the Fourth Proportional to 12,699.16, 19,040.84 and 4,906.14

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Solution

The fourth proportional to 12,699.16, 19,040.84 and 4,906.14 is: 7,356.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.16 : 19,040.84 = 4,906.14 : x
  2. Step 2: Convert to fraction form
    12,699.16/19,040.84 = 4,906.14/x
  3. Step 3: Cross multiply
    12,699.16x = 19,040.84 × 4,906.14
  4. Step 4: Simplify right side
    12,699.16x = 93,417,026.76
  5. Step 5: Solve for x
    x = 93,417,026.76/12,699.16
  6. Step 6: Final answer
    x = 7,356.16

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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.