Home / 10,653.20-14,701.46-6,179.60

Finding the Fourth Proportional to 10,653.20, 14,701.46 and 6,179.60

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Solution

The fourth proportional to 10,653.20, 14,701.46 and 6,179.60 is: 8,527.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,653.20 : 14,701.46 = 6,179.60 : x
  2. Step 2: Convert to fraction form
    10,653.20/14,701.46 = 6,179.60/x
  3. Step 3: Cross multiply
    10,653.20x = 14,701.46 × 6,179.60
  4. Step 4: Simplify right side
    10,653.20x = 90,849,068.71
  5. Step 5: Solve for x
    x = 90,849,068.71/10,653.20
  6. Step 6: Final answer
    x = 8,527.87

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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.