Home / 9,580.15-13,219.56-5,330.53

Finding the Fourth Proportional to 9,580.15, 13,219.56 and 5,330.53

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Solution

The fourth proportional to 9,580.15, 13,219.56 and 5,330.53 is: 7,355.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,580.15 : 13,219.56 = 5,330.53 : x
  2. Step 2: Convert to fraction form
    9,580.15/13,219.56 = 5,330.53/x
  3. Step 3: Cross multiply
    9,580.15x = 13,219.56 × 5,330.53
  4. Step 4: Simplify right side
    9,580.15x = 70,467,261.17
  5. Step 5: Solve for x
    x = 70,467,261.17/9,580.15
  6. Step 6: Final answer
    x = 7,355.55

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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.