Home / 7,783.12-10,740.84-4,246.36

Finding the Fourth Proportional to 7,783.12, 10,740.84 and 4,246.36

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Solution

The fourth proportional to 7,783.12, 10,740.84 and 4,246.36 is: 5,860.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,783.12 : 10,740.84 = 4,246.36 : x
  2. Step 2: Convert to fraction form
    7,783.12/10,740.84 = 4,246.36/x
  3. Step 3: Cross multiply
    7,783.12x = 10,740.84 × 4,246.36
  4. Step 4: Simplify right side
    7,783.12x = 45,609,473.34
  5. Step 5: Solve for x
    x = 45,609,473.34/7,783.12
  6. Step 6: Final answer
    x = 5,860.05

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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.