Home / 12,712.67-19,068.60-3,352.40

Finding the Fourth Proportional to 12,712.67, 19,068.60 and 3,352.40

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Solution

The fourth proportional to 12,712.67, 19,068.60 and 3,352.40 is: 5,028.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.67 : 19,068.60 = 3,352.40 : x
  2. Step 2: Convert to fraction form
    12,712.67/19,068.60 = 3,352.40/x
  3. Step 3: Cross multiply
    12,712.67x = 19,068.60 × 3,352.40
  4. Step 4: Simplify right side
    12,712.67x = 63,925,574.64
  5. Step 5: Solve for x
    x = 63,925,574.64/12,712.67
  6. Step 6: Final answer
    x = 5,028.49

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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.