Home / 12,056.88-16,638.36-6,751.72

Finding the Fourth Proportional to 12,056.88, 16,638.36 and 6,751.72

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Solution

The fourth proportional to 12,056.88, 16,638.36 and 6,751.72 is: 9,317.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,056.88 : 16,638.36 = 6,751.72 : x
  2. Step 2: Convert to fraction form
    12,056.88/16,638.36 = 6,751.72/x
  3. Step 3: Cross multiply
    12,056.88x = 16,638.36 × 6,751.72
  4. Step 4: Simplify right side
    12,056.88x = 112,337,547.98
  5. Step 5: Solve for x
    x = 112,337,547.98/12,056.88
  6. Step 6: Final answer
    x = 9,317.30

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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.