Home / 10,782.14-14,878.15-6,066.32

Finding the Fourth Proportional to 10,782.14, 14,878.15 and 6,066.32

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Solution

The fourth proportional to 10,782.14, 14,878.15 and 6,066.32 is: 8,370.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,782.14 : 14,878.15 = 6,066.32 : x
  2. Step 2: Convert to fraction form
    10,782.14/14,878.15 = 6,066.32/x
  3. Step 3: Cross multiply
    10,782.14x = 14,878.15 × 6,066.32
  4. Step 4: Simplify right side
    10,782.14x = 90,255,529.35
  5. Step 5: Solve for x
    x = 90,255,529.35/10,782.14
  6. Step 6: Final answer
    x = 8,370.84

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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.