Home / 10,925.49-15,075.42-6,145.42

Finding the Fourth Proportional to 10,925.49, 15,075.42 and 6,145.42

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Solution

The fourth proportional to 10,925.49, 15,075.42 and 6,145.42 is: 8,479.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.49 : 15,075.42 = 6,145.42 : x
  2. Step 2: Convert to fraction form
    10,925.49/15,075.42 = 6,145.42/x
  3. Step 3: Cross multiply
    10,925.49x = 15,075.42 × 6,145.42
  4. Step 4: Simplify right side
    10,925.49x = 92,644,787.58
  5. Step 5: Solve for x
    x = 92,644,787.58/10,925.49
  6. Step 6: Final answer
    x = 8,479.69

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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.