Home / 9,672.04-13,328.70-6,522.76

Finding the Fourth Proportional to 9,672.04, 13,328.70 and 6,522.76

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Solution

The fourth proportional to 9,672.04, 13,328.70 and 6,522.76 is: 8,988.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,672.04 : 13,328.70 = 6,522.76 : x
  2. Step 2: Convert to fraction form
    9,672.04/13,328.70 = 6,522.76/x
  3. Step 3: Cross multiply
    9,672.04x = 13,328.70 × 6,522.76
  4. Step 4: Simplify right side
    9,672.04x = 86,939,911.21
  5. Step 5: Solve for x
    x = 86,939,911.21/9,672.04
  6. Step 6: Final answer
    x = 8,988.79

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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.