Home / 9,723.19-13,417.81-5,692.40

Finding the Fourth Proportional to 9,723.19, 13,417.81 and 5,692.40

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Solution

The fourth proportional to 9,723.19, 13,417.81 and 5,692.40 is: 7,855.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,723.19 : 13,417.81 = 5,692.40 : x
  2. Step 2: Convert to fraction form
    9,723.19/13,417.81 = 5,692.40/x
  3. Step 3: Cross multiply
    9,723.19x = 13,417.81 × 5,692.40
  4. Step 4: Simplify right side
    9,723.19x = 76,379,541.64
  5. Step 5: Solve for x
    x = 76,379,541.64/9,723.19
  6. Step 6: Final answer
    x = 7,855.40

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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.