Home / 9,362.19-12,920.58-5,384.60

Finding the Fourth Proportional to 9,362.19, 12,920.58 and 5,384.60

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Solution

The fourth proportional to 9,362.19, 12,920.58 and 5,384.60 is: 7,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,362.19 : 12,920.58 = 5,384.60 : x
  2. Step 2: Convert to fraction form
    9,362.19/12,920.58 = 5,384.60/x
  3. Step 3: Cross multiply
    9,362.19x = 12,920.58 × 5,384.60
  4. Step 4: Simplify right side
    9,362.19x = 69,572,090.47
  5. Step 5: Solve for x
    x = 69,572,090.47/9,362.19
  6. Step 6: Final answer
    x = 7,431.18

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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.