Home / 7,075.06-9,768.46-4,423.66

Finding the Fourth Proportional to 7,075.06, 9,768.46 and 4,423.66

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Solution

The fourth proportional to 7,075.06, 9,768.46 and 4,423.66 is: 6,107.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.06 : 9,768.46 = 4,423.66 : x
  2. Step 2: Convert to fraction form
    7,075.06/9,768.46 = 4,423.66/x
  3. Step 3: Cross multiply
    7,075.06x = 9,768.46 × 4,423.66
  4. Step 4: Simplify right side
    7,075.06x = 43,212,345.76
  5. Step 5: Solve for x
    x = 43,212,345.76/7,075.06
  6. Step 6: Final answer
    x = 6,107.70

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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.