Home / 12,048.08-18,064.92-4,646.40

Finding the Fourth Proportional to 12,048.08, 18,064.92 and 4,646.40

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Solution

The fourth proportional to 12,048.08, 18,064.92 and 4,646.40 is: 6,966.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.08 : 18,064.92 = 4,646.40 : x
  2. Step 2: Convert to fraction form
    12,048.08/18,064.92 = 4,646.40/x
  3. Step 3: Cross multiply
    12,048.08x = 18,064.92 × 4,646.40
  4. Step 4: Simplify right side
    12,048.08x = 83,936,844.29
  5. Step 5: Solve for x
    x = 83,936,844.29/12,048.08
  6. Step 6: Final answer
    x = 6,966.82

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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.