Home / 12,077.08-16,668.12-6,772.48

Finding the Fourth Proportional to 12,077.08, 16,668.12 and 6,772.48

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Solution

The fourth proportional to 12,077.08, 16,668.12 and 6,772.48 is: 9,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.08 : 16,668.12 = 6,772.48 : x
  2. Step 2: Convert to fraction form
    12,077.08/16,668.12 = 6,772.48/x
  3. Step 3: Cross multiply
    12,077.08x = 16,668.12 × 6,772.48
  4. Step 4: Simplify right side
    12,077.08x = 112,884,509.34
  5. Step 5: Solve for x
    x = 112,884,509.34/12,077.08
  6. Step 6: Final answer
    x = 9,347.00

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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.