Home / 12,973.12-19,461.38-4,654.07

Finding the Fourth Proportional to 12,973.12, 19,461.38 and 4,654.07

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Solution

The fourth proportional to 12,973.12, 19,461.38 and 4,654.07 is: 6,981.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,973.12 : 19,461.38 = 4,654.07 : x
  2. Step 2: Convert to fraction form
    12,973.12/19,461.38 = 4,654.07/x
  3. Step 3: Cross multiply
    12,973.12x = 19,461.38 × 4,654.07
  4. Step 4: Simplify right side
    12,973.12x = 90,574,504.24
  5. Step 5: Solve for x
    x = 90,574,504.24/12,973.12
  6. Step 6: Final answer
    x = 6,981.71

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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.