Home / 9,977.04-13,765.23-5,784.48

Finding the Fourth Proportional to 9,977.04, 13,765.23 and 5,784.48

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Solution

The fourth proportional to 9,977.04, 13,765.23 and 5,784.48 is: 7,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.04 : 13,765.23 = 5,784.48 : x
  2. Step 2: Convert to fraction form
    9,977.04/13,765.23 = 5,784.48/x
  3. Step 3: Cross multiply
    9,977.04x = 13,765.23 × 5,784.48
  4. Step 4: Simplify right side
    9,977.04x = 79,624,697.63
  5. Step 5: Solve for x
    x = 79,624,697.63/9,977.04
  6. Step 6: Final answer
    x = 7,980.79

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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.