Home / 12,066.96-16,653.47-6,762.90

Finding the Fourth Proportional to 12,066.96, 16,653.47 and 6,762.90

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Solution

The fourth proportional to 12,066.96, 16,653.47 and 6,762.90 is: 9,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,066.96 : 16,653.47 = 6,762.90 : x
  2. Step 2: Convert to fraction form
    12,066.96/16,653.47 = 6,762.90/x
  3. Step 3: Cross multiply
    12,066.96x = 16,653.47 × 6,762.90
  4. Step 4: Simplify right side
    12,066.96x = 112,625,752.26
  5. Step 5: Solve for x
    x = 112,625,752.26/12,066.96
  6. Step 6: Final answer
    x = 9,333.40

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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.