Home / 7,042.12-10,551.48-4,957.76

Finding the Fourth Proportional to 7,042.12, 10,551.48 and 4,957.76

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Solution

The fourth proportional to 7,042.12, 10,551.48 and 4,957.76 is: 7,428.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,042.12 : 10,551.48 = 4,957.76 : x
  2. Step 2: Convert to fraction form
    7,042.12/10,551.48 = 4,957.76/x
  3. Step 3: Cross multiply
    7,042.12x = 10,551.48 × 4,957.76
  4. Step 4: Simplify right side
    7,042.12x = 52,311,705.48
  5. Step 5: Solve for x
    x = 52,311,705.48/7,042.12
  6. Step 6: Final answer
    x = 7,428.40

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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.