Home / 10,400.94-15,601.72-4,075.55

Finding the Fourth Proportional to 10,400.94, 15,601.72 and 4,075.55

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Solution

The fourth proportional to 10,400.94, 15,601.72 and 4,075.55 is: 6,113.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,400.94 : 15,601.72 = 4,075.55 : x
  2. Step 2: Convert to fraction form
    10,400.94/15,601.72 = 4,075.55/x
  3. Step 3: Cross multiply
    10,400.94x = 15,601.72 × 4,075.55
  4. Step 4: Simplify right side
    10,400.94x = 63,585,631.24
  5. Step 5: Solve for x
    x = 63,585,631.24/10,400.94
  6. Step 6: Final answer
    x = 6,113.45

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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.