Home / 10,518.76-14,516.58-6,797.80

Finding the Fourth Proportional to 10,518.76, 14,516.58 and 6,797.80

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Solution

The fourth proportional to 10,518.76, 14,516.58 and 6,797.80 is: 9,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,518.76 : 14,516.58 = 6,797.80 : x
  2. Step 2: Convert to fraction form
    10,518.76/14,516.58 = 6,797.80/x
  3. Step 3: Cross multiply
    10,518.76x = 14,516.58 × 6,797.80
  4. Step 4: Simplify right side
    10,518.76x = 98,680,807.52
  5. Step 5: Solve for x
    x = 98,680,807.52/10,518.76
  6. Step 6: Final answer
    x = 9,381.41

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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.