Home / 10,630.64-14,671.08-6,155.60

Finding the Fourth Proportional to 10,630.64, 14,671.08 and 6,155.60

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Solution

The fourth proportional to 10,630.64, 14,671.08 and 6,155.60 is: 8,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,630.64 : 14,671.08 = 6,155.60 : x
  2. Step 2: Convert to fraction form
    10,630.64/14,671.08 = 6,155.60/x
  3. Step 3: Cross multiply
    10,630.64x = 14,671.08 × 6,155.60
  4. Step 4: Simplify right side
    10,630.64x = 90,309,300.05
  5. Step 5: Solve for x
    x = 90,309,300.05/10,630.64
  6. Step 6: Final answer
    x = 8,495.19

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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.