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Finding the Fourth Proportional to 9,130.04, 12,599.14 and 5,151

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Solution

The fourth proportional to 9,130.04, 12,599.14 and 5,151 is: 7,108.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,130.04 : 12,599.14 = 5,151 : x
  2. Step 2: Convert to fraction form
    9,130.04/12,599.14 = 5,151/x
  3. Step 3: Cross multiply
    9,130.04x = 12,599.14 × 5,151
  4. Step 4: Simplify right side
    9,130.04x = 64,898,170.14
  5. Step 5: Solve for x
    x = 64,898,170.14/9,130.04
  6. Step 6: Final answer
    x = 7,108.20

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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.