Home / 8,445.80-11,655.52-4,669.14

Finding the Fourth Proportional to 8,445.80, 11,655.52 and 4,669.14

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Solution

The fourth proportional to 8,445.80, 11,655.52 and 4,669.14 is: 6,443.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,445.80 : 11,655.52 = 4,669.14 : x
  2. Step 2: Convert to fraction form
    8,445.80/11,655.52 = 4,669.14/x
  3. Step 3: Cross multiply
    8,445.80x = 11,655.52 × 4,669.14
  4. Step 4: Simplify right side
    8,445.80x = 54,421,254.65
  5. Step 5: Solve for x
    x = 54,421,254.65/8,445.80
  6. Step 6: Final answer
    x = 6,443.59

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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.