Home / 9,303.09-12,829.45-6,110.77

Finding the Fourth Proportional to 9,303.09, 12,829.45 and 6,110.77

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Solution

The fourth proportional to 9,303.09, 12,829.45 and 6,110.77 is: 8,427.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.09 : 12,829.45 = 6,110.77 : x
  2. Step 2: Convert to fraction form
    9,303.09/12,829.45 = 6,110.77/x
  3. Step 3: Cross multiply
    9,303.09x = 12,829.45 × 6,110.77
  4. Step 4: Simplify right side
    9,303.09x = 78,397,818.18
  5. Step 5: Solve for x
    x = 78,397,818.18/9,303.09
  6. Step 6: Final answer
    x = 8,427.07

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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.