Home / 7,921.64-10,941.12-6,333.77

Finding the Fourth Proportional to 7,921.64, 10,941.12 and 6,333.77

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Solution

The fourth proportional to 7,921.64, 10,941.12 and 6,333.77 is: 8,748.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,921.64 : 10,941.12 = 6,333.77 : x
  2. Step 2: Convert to fraction form
    7,921.64/10,941.12 = 6,333.77/x
  3. Step 3: Cross multiply
    7,921.64x = 10,941.12 × 6,333.77
  4. Step 4: Simplify right side
    7,921.64x = 69,298,482.92
  5. Step 5: Solve for x
    x = 69,298,482.92/7,921.64
  6. Step 6: Final answer
    x = 8,748.00

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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.