Home / 11,878.08-16,392.10-6,573.40

Finding the Fourth Proportional to 11,878.08, 16,392.10 and 6,573.40

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Solution

The fourth proportional to 11,878.08, 16,392.10 and 6,573.40 is: 9,071.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,878.08 : 16,392.10 = 6,573.40 : x
  2. Step 2: Convert to fraction form
    11,878.08/16,392.10 = 6,573.40/x
  3. Step 3: Cross multiply
    11,878.08x = 16,392.10 × 6,573.40
  4. Step 4: Simplify right side
    11,878.08x = 107,751,830.14
  5. Step 5: Solve for x
    x = 107,751,830.14/11,878.08
  6. Step 6: Final answer
    x = 9,071.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.