Home / 8,897.10-13,345.50-2,657.14

Finding the Fourth Proportional to 8,897.10, 13,345.50 and 2,657.14

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Solution

The fourth proportional to 8,897.10, 13,345.50 and 2,657.14 is: 3,985.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,897.10 : 13,345.50 = 2,657.14 : x
  2. Step 2: Convert to fraction form
    8,897.10/13,345.50 = 2,657.14/x
  3. Step 3: Cross multiply
    8,897.10x = 13,345.50 × 2,657.14
  4. Step 4: Simplify right side
    8,897.10x = 35,460,861.87
  5. Step 5: Solve for x
    x = 35,460,861.87/8,897.10
  6. Step 6: Final answer
    x = 3,985.67

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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.