Home / 7,207.02-9,947.28-4,684.74

Finding the Fourth Proportional to 7,207.02, 9,947.28 and 4,684.74

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Solution

The fourth proportional to 7,207.02, 9,947.28 and 4,684.74 is: 6,465.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207.02 : 9,947.28 = 4,684.74 : x
  2. Step 2: Convert to fraction form
    7,207.02/9,947.28 = 4,684.74/x
  3. Step 3: Cross multiply
    7,207.02x = 9,947.28 × 4,684.74
  4. Step 4: Simplify right side
    7,207.02x = 46,600,397.08
  5. Step 5: Solve for x
    x = 46,600,397.08/7,207.02
  6. Step 6: Final answer
    x = 6,465.98

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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.