Home / 12,225.51-18,341.37-5,656.41

Finding the Fourth Proportional to 12,225.51, 18,341.37 and 5,656.41

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Solution

The fourth proportional to 12,225.51, 18,341.37 and 5,656.41 is: 8,486.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225.51 : 18,341.37 = 5,656.41 : x
  2. Step 2: Convert to fraction form
    12,225.51/18,341.37 = 5,656.41/x
  3. Step 3: Cross multiply
    12,225.51x = 18,341.37 × 5,656.41
  4. Step 4: Simplify right side
    12,225.51x = 103,746,308.68
  5. Step 5: Solve for x
    x = 103,746,308.68/12,225.51
  6. Step 6: Final answer
    x = 8,486.05

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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.