Home / 9,585.21-13,226.65-5,605.55

Finding the Fourth Proportional to 9,585.21, 13,226.65 and 5,605.55

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Solution

The fourth proportional to 9,585.21, 13,226.65 and 5,605.55 is: 7,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,585.21 : 13,226.65 = 5,605.55 : x
  2. Step 2: Convert to fraction form
    9,585.21/13,226.65 = 5,605.55/x
  3. Step 3: Cross multiply
    9,585.21x = 13,226.65 × 5,605.55
  4. Step 4: Simplify right side
    9,585.21x = 74,142,567.76
  5. Step 5: Solve for x
    x = 74,142,567.76/9,585.21
  6. Step 6: Final answer
    x = 7,735.10

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Half scale
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Double scale
Find fourth proportional to 9,586.21, 13,228.03 and 5,606.55
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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.