Home / 7,789.95-10,750.07-4,253.16

Finding the Fourth Proportional to 7,789.95, 10,750.07 and 4,253.16

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Solution

The fourth proportional to 7,789.95, 10,750.07 and 4,253.16 is: 5,869.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,789.95 : 10,750.07 = 4,253.16 : x
  2. Step 2: Convert to fraction form
    7,789.95/10,750.07 = 4,253.16/x
  3. Step 3: Cross multiply
    7,789.95x = 10,750.07 × 4,253.16
  4. Step 4: Simplify right side
    7,789.95x = 45,721,746.46
  5. Step 5: Solve for x
    x = 45,721,746.46/7,789.95
  6. Step 6: Final answer
    x = 5,869.32

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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.