Home / 7,934.40-11,880-4,465.44

Finding the Fourth Proportional to 7,934.40, 11,880 and 4,465.44

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Solution

The fourth proportional to 7,934.40, 11,880 and 4,465.44 is: 6,686.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.40 : 11,880 = 4,465.44 : x
  2. Step 2: Convert to fraction form
    7,934.40/11,880 = 4,465.44/x
  3. Step 3: Cross multiply
    7,934.40x = 11,880 × 4,465.44
  4. Step 4: Simplify right side
    7,934.40x = 53,049,427.20
  5. Step 5: Solve for x
    x = 53,049,427.20/7,934.40
  6. Step 6: Final answer
    x = 6,686.00

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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.