Home / 12,594.36-18,888.84-5,196.90

Finding the Fourth Proportional to 12,594.36, 18,888.84 and 5,196.90

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Solution

The fourth proportional to 12,594.36, 18,888.84 and 5,196.90 is: 7,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,594.36 : 18,888.84 = 5,196.90 : x
  2. Step 2: Convert to fraction form
    12,594.36/18,888.84 = 5,196.90/x
  3. Step 3: Cross multiply
    12,594.36x = 18,888.84 × 5,196.90
  4. Step 4: Simplify right side
    12,594.36x = 98,163,412.60
  5. Step 5: Solve for x
    x = 98,163,412.60/12,594.36
  6. Step 6: Final answer
    x = 7,794.24

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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.