Home / 9,330.12-12,875.22-6,681.96

Finding the Fourth Proportional to 9,330.12, 12,875.22 and 6,681.96

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Solution

The fourth proportional to 9,330.12, 12,875.22 and 6,681.96 is: 9,220.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.12 : 12,875.22 = 6,681.96 : x
  2. Step 2: Convert to fraction form
    9,330.12/12,875.22 = 6,681.96/x
  3. Step 3: Cross multiply
    9,330.12x = 12,875.22 × 6,681.96
  4. Step 4: Simplify right side
    9,330.12x = 86,031,705.03
  5. Step 5: Solve for x
    x = 86,031,705.03/9,330.12
  6. Step 6: Final answer
    x = 9,220.86

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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.