Home / 9,783.96-13,501.56-5,534.70

Finding the Fourth Proportional to 9,783.96, 13,501.56 and 5,534.70

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Solution

The fourth proportional to 9,783.96, 13,501.56 and 5,534.70 is: 7,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,783.96 : 13,501.56 = 5,534.70 : x
  2. Step 2: Convert to fraction form
    9,783.96/13,501.56 = 5,534.70/x
  3. Step 3: Cross multiply
    9,783.96x = 13,501.56 × 5,534.70
  4. Step 4: Simplify right side
    9,783.96x = 74,727,084.13
  5. Step 5: Solve for x
    x = 74,727,084.13/9,783.96
  6. Step 6: Final answer
    x = 7,637.71

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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.