Home / 8,461.08-11,671.02-6,106.68

Finding the Fourth Proportional to 8,461.08, 11,671.02 and 6,106.68

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Solution

The fourth proportional to 8,461.08, 11,671.02 and 6,106.68 is: 8,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461.08 : 11,671.02 = 6,106.68 : x
  2. Step 2: Convert to fraction form
    8,461.08/11,671.02 = 6,106.68/x
  3. Step 3: Cross multiply
    8,461.08x = 11,671.02 × 6,106.68
  4. Step 4: Simplify right side
    8,461.08x = 71,271,184.41
  5. Step 5: Solve for x
    x = 71,271,184.41/8,461.08
  6. Step 6: Final answer
    x = 8,423.41

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Double scale
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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.