Home / 9,102.86-12,562.18-5,124.11

Finding the Fourth Proportional to 9,102.86, 12,562.18 and 5,124.11

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Solution

The fourth proportional to 9,102.86, 12,562.18 and 5,124.11 is: 7,071.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,102.86 : 12,562.18 = 5,124.11 : x
  2. Step 2: Convert to fraction form
    9,102.86/12,562.18 = 5,124.11/x
  3. Step 3: Cross multiply
    9,102.86x = 12,562.18 × 5,124.11
  4. Step 4: Simplify right side
    9,102.86x = 64,369,980.00
  5. Step 5: Solve for x
    x = 64,369,980.00/9,102.86
  6. Step 6: Final answer
    x = 7,071.40

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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.