Home / 9,442.40-14,148.80-5,972.32

Finding the Fourth Proportional to 9,442.40, 14,148.80 and 5,972.32

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Solution

The fourth proportional to 9,442.40, 14,148.80 and 5,972.32 is: 8,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,442.40 : 14,148.80 = 5,972.32 : x
  2. Step 2: Convert to fraction form
    9,442.40/14,148.80 = 5,972.32/x
  3. Step 3: Cross multiply
    9,442.40x = 14,148.80 × 5,972.32
  4. Step 4: Simplify right side
    9,442.40x = 84,501,161.22
  5. Step 5: Solve for x
    x = 84,501,161.22/9,442.40
  6. Step 6: Final answer
    x = 8,949.12

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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.