Home / 12,975.95-19,466.66-4,210.18

Finding the Fourth Proportional to 12,975.95, 19,466.66 and 4,210.18

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Solution

The fourth proportional to 12,975.95, 19,466.66 and 4,210.18 is: 6,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,975.95 : 19,466.66 = 4,210.18 : x
  2. Step 2: Convert to fraction form
    12,975.95/19,466.66 = 4,210.18/x
  3. Step 3: Cross multiply
    12,975.95x = 19,466.66 × 4,210.18
  4. Step 4: Simplify right side
    12,975.95x = 81,958,104.46
  5. Step 5: Solve for x
    x = 81,958,104.46/12,975.95
  6. Step 6: Final answer
    x = 6,316.15

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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.