Home / 7,117.48-10,671.90-4,649.32

Finding the Fourth Proportional to 7,117.48, 10,671.90 and 4,649.32

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Solution

The fourth proportional to 7,117.48, 10,671.90 and 4,649.32 is: 6,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.48 : 10,671.90 = 4,649.32 : x
  2. Step 2: Convert to fraction form
    7,117.48/10,671.90 = 4,649.32/x
  3. Step 3: Cross multiply
    7,117.48x = 10,671.90 × 4,649.32
  4. Step 4: Simplify right side
    7,117.48x = 49,617,078.11
  5. Step 5: Solve for x
    x = 49,617,078.11/7,117.48
  6. Step 6: Final answer
    x = 6,971.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.