Home / 7,917.45-10,925.72-4,332.35

Finding the Fourth Proportional to 7,917.45, 10,925.72 and 4,332.35

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Solution

The fourth proportional to 7,917.45, 10,925.72 and 4,332.35 is: 5,978.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.45 : 10,925.72 = 4,332.35 : x
  2. Step 2: Convert to fraction form
    7,917.45/10,925.72 = 4,332.35/x
  3. Step 3: Cross multiply
    7,917.45x = 10,925.72 × 4,332.35
  4. Step 4: Simplify right side
    7,917.45x = 47,334,064.94
  5. Step 5: Solve for x
    x = 47,334,064.94/7,917.45
  6. Step 6: Final answer
    x = 5,978.45

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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.