Home / 10,315.98-14,235.93-6,069.78

Finding the Fourth Proportional to 10,315.98, 14,235.93 and 6,069.78

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Solution

The fourth proportional to 10,315.98, 14,235.93 and 6,069.78 is: 8,376.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,315.98 : 14,235.93 = 6,069.78 : x
  2. Step 2: Convert to fraction form
    10,315.98/14,235.93 = 6,069.78/x
  3. Step 3: Cross multiply
    10,315.98x = 14,235.93 × 6,069.78
  4. Step 4: Simplify right side
    10,315.98x = 86,408,963.20
  5. Step 5: Solve for x
    x = 86,408,963.20/10,315.98
  6. Step 6: Final answer
    x = 8,376.22

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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.