Home / 9,677.70-13,356.47-5,699.18

Finding the Fourth Proportional to 9,677.70, 13,356.47 and 5,699.18

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Solution

The fourth proportional to 9,677.70, 13,356.47 and 5,699.18 is: 7,865.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,677.70 : 13,356.47 = 5,699.18 : x
  2. Step 2: Convert to fraction form
    9,677.70/13,356.47 = 5,699.18/x
  3. Step 3: Cross multiply
    9,677.70x = 13,356.47 × 5,699.18
  4. Step 4: Simplify right side
    9,677.70x = 76,120,931.59
  5. Step 5: Solve for x
    x = 76,120,931.59/9,677.70
  6. Step 6: Final answer
    x = 7,865.60

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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.