Home / 9,800.40-13,529.52-5,822.76

Finding the Fourth Proportional to 9,800.40, 13,529.52 and 5,822.76

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Solution

The fourth proportional to 9,800.40, 13,529.52 and 5,822.76 is: 8,038.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,800.40 : 13,529.52 = 5,822.76 : x
  2. Step 2: Convert to fraction form
    9,800.40/13,529.52 = 5,822.76/x
  3. Step 3: Cross multiply
    9,800.40x = 13,529.52 × 5,822.76
  4. Step 4: Simplify right side
    9,800.40x = 78,779,147.88
  5. Step 5: Solve for x
    x = 78,779,147.88/9,800.40
  6. Step 6: Final answer
    x = 8,038.36

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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.