Home / 10,780.32-14,876.68-6,064.60

Finding the Fourth Proportional to 10,780.32, 14,876.68 and 6,064.60

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Solution

The fourth proportional to 10,780.32, 14,876.68 and 6,064.60 is: 8,369.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.32 : 14,876.68 = 6,064.60 : x
  2. Step 2: Convert to fraction form
    10,780.32/14,876.68 = 6,064.60/x
  3. Step 3: Cross multiply
    10,780.32x = 14,876.68 × 6,064.60
  4. Step 4: Simplify right side
    10,780.32x = 90,221,113.53
  5. Step 5: Solve for x
    x = 90,221,113.53/10,780.32
  6. Step 6: Final answer
    x = 8,369.06

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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.