Home / 12,966.08-19,448.91-4,646.57

Finding the Fourth Proportional to 12,966.08, 19,448.91 and 4,646.57

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Solution

The fourth proportional to 12,966.08, 19,448.91 and 4,646.57 is: 6,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,966.08 : 19,448.91 = 4,646.57 : x
  2. Step 2: Convert to fraction form
    12,966.08/19,448.91 = 4,646.57/x
  3. Step 3: Cross multiply
    12,966.08x = 19,448.91 × 4,646.57
  4. Step 4: Simplify right side
    12,966.08x = 90,370,624.49
  5. Step 5: Solve for x
    x = 90,370,624.49/12,966.08
  6. Step 6: Final answer
    x = 6,969.77

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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.