Home / 7,881.64-11,818.54-4,595.56

Finding the Fourth Proportional to 7,881.64, 11,818.54 and 4,595.56

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Solution

The fourth proportional to 7,881.64, 11,818.54 and 4,595.56 is: 6,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881.64 : 11,818.54 = 4,595.56 : x
  2. Step 2: Convert to fraction form
    7,881.64/11,818.54 = 4,595.56/x
  3. Step 3: Cross multiply
    7,881.64x = 11,818.54 × 4,595.56
  4. Step 4: Simplify right side
    7,881.64x = 54,312,809.68
  5. Step 5: Solve for x
    x = 54,312,809.68/7,881.64
  6. Step 6: Final answer
    x = 6,891.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.