Home / 7,013.28-9,678.06-4,360.08

Finding the Fourth Proportional to 7,013.28, 9,678.06 and 4,360.08

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Solution

The fourth proportional to 7,013.28, 9,678.06 and 4,360.08 is: 6,016.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,013.28 : 9,678.06 = 4,360.08 : x
  2. Step 2: Convert to fraction form
    7,013.28/9,678.06 = 4,360.08/x
  3. Step 3: Cross multiply
    7,013.28x = 9,678.06 × 4,360.08
  4. Step 4: Simplify right side
    7,013.28x = 42,197,115.84
  5. Step 5: Solve for x
    x = 42,197,115.84/7,013.28
  6. Step 6: Final answer
    x = 6,016.74

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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.