Home / 10,712.15-14,782.67-6,173.17

Finding the Fourth Proportional to 10,712.15, 14,782.67 and 6,173.17

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Solution

The fourth proportional to 10,712.15, 14,782.67 and 6,173.17 is: 8,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,712.15 : 14,782.67 = 6,173.17 : x
  2. Step 2: Convert to fraction form
    10,712.15/14,782.67 = 6,173.17/x
  3. Step 3: Cross multiply
    10,712.15x = 14,782.67 × 6,173.17
  4. Step 4: Simplify right side
    10,712.15x = 91,255,962.21
  5. Step 5: Solve for x
    x = 91,255,962.21/10,712.15
  6. Step 6: Final answer
    x = 8,518.92

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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.