Home / 10,776.21-14,870.88-6,060.81

Finding the Fourth Proportional to 10,776.21, 14,870.88 and 6,060.81

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Solution

The fourth proportional to 10,776.21, 14,870.88 and 6,060.81 is: 8,363.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,776.21 : 14,870.88 = 6,060.81 : x
  2. Step 2: Convert to fraction form
    10,776.21/14,870.88 = 6,060.81/x
  3. Step 3: Cross multiply
    10,776.21x = 14,870.88 × 6,060.81
  4. Step 4: Simplify right side
    10,776.21x = 90,129,578.21
  5. Step 5: Solve for x
    x = 90,129,578.21/10,776.21
  6. Step 6: Final answer
    x = 8,363.75

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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.