Home / 7,854.06-10,838.64-4,317.50

Finding the Fourth Proportional to 7,854.06, 10,838.64 and 4,317.50

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Solution

The fourth proportional to 7,854.06, 10,838.64 and 4,317.50 is: 5,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.06 : 10,838.64 = 4,317.50 : x
  2. Step 2: Convert to fraction form
    7,854.06/10,838.64 = 4,317.50/x
  3. Step 3: Cross multiply
    7,854.06x = 10,838.64 × 4,317.50
  4. Step 4: Simplify right side
    7,854.06x = 46,795,798.46
  5. Step 5: Solve for x
    x = 46,795,798.46/7,854.06
  6. Step 6: Final answer
    x = 5,958.17

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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.