Home / 10,655.46-14,705.28-6,180.30

Finding the Fourth Proportional to 10,655.46, 14,705.28 and 6,180.30

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Solution

The fourth proportional to 10,655.46, 14,705.28 and 6,180.30 is: 8,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.46 : 14,705.28 = 6,180.30 : x
  2. Step 2: Convert to fraction form
    10,655.46/14,705.28 = 6,180.30/x
  3. Step 3: Cross multiply
    10,655.46x = 14,705.28 × 6,180.30
  4. Step 4: Simplify right side
    10,655.46x = 90,883,041.98
  5. Step 5: Solve for x
    x = 90,883,041.98/10,655.46
  6. Step 6: Final answer
    x = 8,529.25

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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.