Home / 9,817.77-13,548.70-5,341.60

Finding the Fourth Proportional to 9,817.77, 13,548.70 and 5,341.60

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Solution

The fourth proportional to 9,817.77, 13,548.70 and 5,341.60 is: 7,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,817.77 : 13,548.70 = 5,341.60 : x
  2. Step 2: Convert to fraction form
    9,817.77/13,548.70 = 5,341.60/x
  3. Step 3: Cross multiply
    9,817.77x = 13,548.70 × 5,341.60
  4. Step 4: Simplify right side
    9,817.77x = 72,371,683.32
  5. Step 5: Solve for x
    x = 72,371,683.32/9,817.77
  6. Step 6: Final answer
    x = 7,371.50

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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.