Home / 8,812.48-12,157.03-5,275.01

Finding the Fourth Proportional to 8,812.48, 12,157.03 and 5,275.01

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Solution

The fourth proportional to 8,812.48, 12,157.03 and 5,275.01 is: 7,277.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.48 : 12,157.03 = 5,275.01 : x
  2. Step 2: Convert to fraction form
    8,812.48/12,157.03 = 5,275.01/x
  3. Step 3: Cross multiply
    8,812.48x = 12,157.03 × 5,275.01
  4. Step 4: Simplify right side
    8,812.48x = 64,128,367.66
  5. Step 5: Solve for x
    x = 64,128,367.66/8,812.48
  6. Step 6: Final answer
    x = 7,277.00

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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.