Home / 10,956.15-15,117.98-6,175.49

Finding the Fourth Proportional to 10,956.15, 15,117.98 and 6,175.49

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Solution

The fourth proportional to 10,956.15, 15,117.98 and 6,175.49 is: 8,521.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.15 : 15,117.98 = 6,175.49 : x
  2. Step 2: Convert to fraction form
    10,956.15/15,117.98 = 6,175.49/x
  3. Step 3: Cross multiply
    10,956.15x = 15,117.98 × 6,175.49
  4. Step 4: Simplify right side
    10,956.15x = 93,360,827.84
  5. Step 5: Solve for x
    x = 93,360,827.84/10,956.15
  6. Step 6: Final answer
    x = 8,521.32

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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.