Home / 7,973.95-11,982.80-7,521.06

Finding the Fourth Proportional to 7,973.95, 11,982.80 and 7,521.06

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Solution

The fourth proportional to 7,973.95, 11,982.80 and 7,521.06 is: 11,302.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,973.95 : 11,982.80 = 7,521.06 : x
  2. Step 2: Convert to fraction form
    7,973.95/11,982.80 = 7,521.06/x
  3. Step 3: Cross multiply
    7,973.95x = 11,982.80 × 7,521.06
  4. Step 4: Simplify right side
    7,973.95x = 90,123,363.35
  5. Step 5: Solve for x
    x = 90,123,363.35/7,973.95
  6. Step 6: Final answer
    x = 11,302.22

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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.