Home / 13,051.18-19,579.76-5,656.88

Finding the Fourth Proportional to 13,051.18, 19,579.76 and 5,656.88

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Solution

The fourth proportional to 13,051.18, 19,579.76 and 5,656.88 is: 8,486.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051.18 : 19,579.76 = 5,656.88 : x
  2. Step 2: Convert to fraction form
    13,051.18/19,579.76 = 5,656.88/x
  3. Step 3: Cross multiply
    13,051.18x = 19,579.76 × 5,656.88
  4. Step 4: Simplify right side
    13,051.18x = 110,760,352.75
  5. Step 5: Solve for x
    x = 110,760,352.75/13,051.18
  6. Step 6: Final answer
    x = 8,486.62

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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.