Home / 10,848.60-16,272.90-7,130.70

Finding the Fourth Proportional to 10,848.60, 16,272.90 and 7,130.70

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Solution

The fourth proportional to 10,848.60, 16,272.90 and 7,130.70 is: 10,696.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,848.60 : 16,272.90 = 7,130.70 : x
  2. Step 2: Convert to fraction form
    10,848.60/16,272.90 = 7,130.70/x
  3. Step 3: Cross multiply
    10,848.60x = 16,272.90 × 7,130.70
  4. Step 4: Simplify right side
    10,848.60x = 116,037,168.03
  5. Step 5: Solve for x
    x = 116,037,168.03/10,848.60
  6. Step 6: Final answer
    x = 10,696.05

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.