Home / 12,963.24-19,448.94-4,643.08

Finding the Fourth Proportional to 12,963.24, 19,448.94 and 4,643.08

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Solution

The fourth proportional to 12,963.24, 19,448.94 and 4,643.08 is: 6,966.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,963.24 : 19,448.94 = 4,643.08 : x
  2. Step 2: Convert to fraction form
    12,963.24/19,448.94 = 4,643.08/x
  3. Step 3: Cross multiply
    12,963.24x = 19,448.94 × 4,643.08
  4. Step 4: Simplify right side
    12,963.24x = 90,302,984.34
  5. Step 5: Solve for x
    x = 90,302,984.34/12,963.24
  6. Step 6: Final answer
    x = 6,966.08

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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.