Home / 12,484.36-18,730.14-5,557.24

Finding the Fourth Proportional to 12,484.36, 18,730.14 and 5,557.24

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Solution

The fourth proportional to 12,484.36, 18,730.14 and 5,557.24 is: 8,337.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,484.36 : 18,730.14 = 5,557.24 : x
  2. Step 2: Convert to fraction form
    12,484.36/18,730.14 = 5,557.24/x
  3. Step 3: Cross multiply
    12,484.36x = 18,730.14 × 5,557.24
  4. Step 4: Simplify right side
    12,484.36x = 104,087,883.21
  5. Step 5: Solve for x
    x = 104,087,883.21/12,484.36
  6. Step 6: Final answer
    x = 8,337.46

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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.