Home / 10,479.07-14,464.73-6,287.32

Finding the Fourth Proportional to 10,479.07, 14,464.73 and 6,287.32

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Solution

The fourth proportional to 10,479.07, 14,464.73 and 6,287.32 is: 8,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.07 : 14,464.73 = 6,287.32 : x
  2. Step 2: Convert to fraction form
    10,479.07/14,464.73 = 6,287.32/x
  3. Step 3: Cross multiply
    10,479.07x = 14,464.73 × 6,287.32
  4. Step 4: Simplify right side
    10,479.07x = 90,944,386.22
  5. Step 5: Solve for x
    x = 90,944,386.22/10,479.07
  6. Step 6: Final answer
    x = 8,678.67

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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.