Home / 10,480.47-14,477.75-9,534.58

Finding the Fourth Proportional to 10,480.47, 14,477.75 and 9,534.58

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Solution

The fourth proportional to 10,480.47, 14,477.75 and 9,534.58 is: 13,171.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,480.47 : 14,477.75 = 9,534.58 : x
  2. Step 2: Convert to fraction form
    10,480.47/14,477.75 = 9,534.58/x
  3. Step 3: Cross multiply
    10,480.47x = 14,477.75 × 9,534.58
  4. Step 4: Simplify right side
    10,480.47x = 138,039,265.60
  5. Step 5: Solve for x
    x = 138,039,265.60/10,480.47
  6. Step 6: Final answer
    x = 13,171.09

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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.