Home / 7,972.48-11,955.23-4,021.30

Finding the Fourth Proportional to 7,972.48, 11,955.23 and 4,021.30

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Solution

The fourth proportional to 7,972.48, 11,955.23 and 4,021.30 is: 6,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972.48 : 11,955.23 = 4,021.30 : x
  2. Step 2: Convert to fraction form
    7,972.48/11,955.23 = 4,021.30/x
  3. Step 3: Cross multiply
    7,972.48x = 11,955.23 × 4,021.30
  4. Step 4: Simplify right side
    7,972.48x = 48,075,566.40
  5. Step 5: Solve for x
    x = 48,075,566.40/7,972.48
  6. Step 6: Final answer
    x = 6,030.19

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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.