Home / 8,760.42-12,068.64-6,103.08

Finding the Fourth Proportional to 8,760.42, 12,068.64 and 6,103.08

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Solution

The fourth proportional to 8,760.42, 12,068.64 and 6,103.08 is: 8,407.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.42 : 12,068.64 = 6,103.08 : x
  2. Step 2: Convert to fraction form
    8,760.42/12,068.64 = 6,103.08/x
  3. Step 3: Cross multiply
    8,760.42x = 12,068.64 × 6,103.08
  4. Step 4: Simplify right side
    8,760.42x = 73,655,875.41
  5. Step 5: Solve for x
    x = 73,655,875.41/8,760.42
  6. Step 6: Final answer
    x = 8,407.80

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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.