Home / 9,259.13-12,777.68-5,280.46

Finding the Fourth Proportional to 9,259.13, 12,777.68 and 5,280.46

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Solution

The fourth proportional to 9,259.13, 12,777.68 and 5,280.46 is: 7,287.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,259.13 : 12,777.68 = 5,280.46 : x
  2. Step 2: Convert to fraction form
    9,259.13/12,777.68 = 5,280.46/x
  3. Step 3: Cross multiply
    9,259.13x = 12,777.68 × 5,280.46
  4. Step 4: Simplify right side
    9,259.13x = 67,472,009.39
  5. Step 5: Solve for x
    x = 67,472,009.39/9,259.13
  6. Step 6: Final answer
    x = 7,287.08

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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.