Home / 12,709.16-19,055.22-4,908.86

Finding the Fourth Proportional to 12,709.16, 19,055.22 and 4,908.86

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Solution

The fourth proportional to 12,709.16, 19,055.22 and 4,908.86 is: 7,360.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,709.16 : 19,055.22 = 4,908.86 : x
  2. Step 2: Convert to fraction form
    12,709.16/19,055.22 = 4,908.86/x
  3. Step 3: Cross multiply
    12,709.16x = 19,055.22 × 4,908.86
  4. Step 4: Simplify right side
    12,709.16x = 93,539,407.25
  5. Step 5: Solve for x
    x = 93,539,407.25/12,709.16
  6. Step 6: Final answer
    x = 7,360.00

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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.