Home / 9,533.77-13,156.07-5,555.53

Finding the Fourth Proportional to 9,533.77, 13,156.07 and 5,555.53

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Solution

The fourth proportional to 9,533.77, 13,156.07 and 5,555.53 is: 7,666.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,533.77 : 13,156.07 = 5,555.53 : x
  2. Step 2: Convert to fraction form
    9,533.77/13,156.07 = 5,555.53/x
  3. Step 3: Cross multiply
    9,533.77x = 13,156.07 × 5,555.53
  4. Step 4: Simplify right side
    9,533.77x = 73,088,913.79
  5. Step 5: Solve for x
    x = 73,088,913.79/9,533.77
  6. Step 6: Final answer
    x = 7,666.32

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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.