Home / 9,511.70-13,126.10-5,263.00

Finding the Fourth Proportional to 9,511.70, 13,126.10 and 5,263.00

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Solution

The fourth proportional to 9,511.70, 13,126.10 and 5,263.00 is: 7,262.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.70 : 13,126.10 = 5,263.00 : x
  2. Step 2: Convert to fraction form
    9,511.70/13,126.10 = 5,263.00/x
  3. Step 3: Cross multiply
    9,511.70x = 13,126.10 × 5,263.00
  4. Step 4: Simplify right side
    9,511.70x = 69,082,671.69
  5. Step 5: Solve for x
    x = 69,082,671.69/9,511.70
  6. Step 6: Final answer
    x = 7,262.91

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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.