Home / 10,782.33-14,878.80-6,065.70

Finding the Fourth Proportional to 10,782.33, 14,878.80 and 6,065.70

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Solution

The fourth proportional to 10,782.33, 14,878.80 and 6,065.70 is: 8,370.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.33 : 14,878.80 = 6,065.70 : x
  2. Step 2: Convert to fraction form
    10,782.33/14,878.80 = 6,065.70/x
  3. Step 3: Cross multiply
    10,782.33x = 14,878.80 × 6,065.70
  4. Step 4: Simplify right side
    10,782.33x = 90,250,337.16
  5. Step 5: Solve for x
    x = 90,250,337.16/10,782.33
  6. Step 6: Final answer
    x = 8,370.21

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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.