Home / 9,780.74-13,497.06-5,799.50

Finding the Fourth Proportional to 9,780.74, 13,497.06 and 5,799.50

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Solution

The fourth proportional to 9,780.74, 13,497.06 and 5,799.50 is: 8,003.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.74 : 13,497.06 = 5,799.50 : x
  2. Step 2: Convert to fraction form
    9,780.74/13,497.06 = 5,799.50/x
  3. Step 3: Cross multiply
    9,780.74x = 13,497.06 × 5,799.50
  4. Step 4: Simplify right side
    9,780.74x = 78,276,199.47
  5. Step 5: Solve for x
    x = 78,276,199.47/9,780.74
  6. Step 6: Final answer
    x = 8,003.10

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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.