Home / 8,753.48-13,130.40-2,513.70

Finding the Fourth Proportional to 8,753.48, 13,130.40 and 2,513.70

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Solution

The fourth proportional to 8,753.48, 13,130.40 and 2,513.70 is: 3,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.48 : 13,130.40 = 2,513.70 : x
  2. Step 2: Convert to fraction form
    8,753.48/13,130.40 = 2,513.70/x
  3. Step 3: Cross multiply
    8,753.48x = 13,130.40 × 2,513.70
  4. Step 4: Simplify right side
    8,753.48x = 33,005,886.48
  5. Step 5: Solve for x
    x = 33,005,886.48/8,753.48
  6. Step 6: Final answer
    x = 3,770.60

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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.