Home / 11,465.28-15,825.44-7,487.00

Finding the Fourth Proportional to 11,465.28, 15,825.44 and 7,487.00

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Solution

The fourth proportional to 11,465.28, 15,825.44 and 7,487.00 is: 10,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.28 : 15,825.44 = 7,487.00 : x
  2. Step 2: Convert to fraction form
    11,465.28/15,825.44 = 7,487.00/x
  3. Step 3: Cross multiply
    11,465.28x = 15,825.44 × 7,487.00
  4. Step 4: Simplify right side
    11,465.28x = 118,485,068.22
  5. Step 5: Solve for x
    x = 118,485,068.22/11,465.28
  6. Step 6: Final answer
    x = 10,334.25

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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.