Home / 7,900.12-10,901.56-4,363.32

Finding the Fourth Proportional to 7,900.12, 10,901.56 and 4,363.32

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Solution

The fourth proportional to 7,900.12, 10,901.56 and 4,363.32 is: 6,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900.12 : 10,901.56 = 4,363.32 : x
  2. Step 2: Convert to fraction form
    7,900.12/10,901.56 = 4,363.32/x
  3. Step 3: Cross multiply
    7,900.12x = 10,901.56 × 4,363.32
  4. Step 4: Simplify right side
    7,900.12x = 47,566,994.78
  5. Step 5: Solve for x
    x = 47,566,994.78/7,900.12
  6. Step 6: Final answer
    x = 6,021.05

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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.