Home / 6,907.10-10,348.45-6,678.70

Finding the Fourth Proportional to 6,907.10, 10,348.45 and 6,678.70

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Solution

The fourth proportional to 6,907.10, 10,348.45 and 6,678.70 is: 10,006.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,907.10 : 10,348.45 = 6,678.70 : x
  2. Step 2: Convert to fraction form
    6,907.10/10,348.45 = 6,678.70/x
  3. Step 3: Cross multiply
    6,907.10x = 10,348.45 × 6,678.70
  4. Step 4: Simplify right side
    6,907.10x = 69,114,193.02
  5. Step 5: Solve for x
    x = 69,114,193.02/6,907.10
  6. Step 6: Final answer
    x = 10,006.25

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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.