Home / 9,117.04-13,675.86-2,877.12

Finding the Fourth Proportional to 9,117.04, 13,675.86 and 2,877.12

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Solution

The fourth proportional to 9,117.04, 13,675.86 and 2,877.12 is: 4,315.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.04 : 13,675.86 = 2,877.12 : x
  2. Step 2: Convert to fraction form
    9,117.04/13,675.86 = 2,877.12/x
  3. Step 3: Cross multiply
    9,117.04x = 13,675.86 × 2,877.12
  4. Step 4: Simplify right side
    9,117.04x = 39,347,090.32
  5. Step 5: Solve for x
    x = 39,347,090.32/9,117.04
  6. Step 6: Final answer
    x = 4,315.77

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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.