Home / 9,215.04-13,814.88-4,282.08

Finding the Fourth Proportional to 9,215.04, 13,814.88 and 4,282.08

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Solution

The fourth proportional to 9,215.04, 13,814.88 and 4,282.08 is: 6,419.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215.04 : 13,814.88 = 4,282.08 : x
  2. Step 2: Convert to fraction form
    9,215.04/13,814.88 = 4,282.08/x
  3. Step 3: Cross multiply
    9,215.04x = 13,814.88 × 4,282.08
  4. Step 4: Simplify right side
    9,215.04x = 59,156,421.35
  5. Step 5: Solve for x
    x = 59,156,421.35/9,215.04
  6. Step 6: Final answer
    x = 6,419.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.