Home / 7,922.04-10,932.36-4,385.28

Finding the Fourth Proportional to 7,922.04, 10,932.36 and 4,385.28

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Solution

The fourth proportional to 7,922.04, 10,932.36 and 4,385.28 is: 6,051.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.04 : 10,932.36 = 4,385.28 : x
  2. Step 2: Convert to fraction form
    7,922.04/10,932.36 = 4,385.28/x
  3. Step 3: Cross multiply
    7,922.04x = 10,932.36 × 4,385.28
  4. Step 4: Simplify right side
    7,922.04x = 47,941,459.66
  5. Step 5: Solve for x
    x = 47,941,459.66/7,922.04
  6. Step 6: Final answer
    x = 6,051.66

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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.