Home / 8,989.17-12,405.08-5,010.18

Finding the Fourth Proportional to 8,989.17, 12,405.08 and 5,010.18

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Solution

The fourth proportional to 8,989.17, 12,405.08 and 5,010.18 is: 6,914.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,989.17 : 12,405.08 = 5,010.18 : x
  2. Step 2: Convert to fraction form
    8,989.17/12,405.08 = 5,010.18/x
  3. Step 3: Cross multiply
    8,989.17x = 12,405.08 × 5,010.18
  4. Step 4: Simplify right side
    8,989.17x = 62,151,683.71
  5. Step 5: Solve for x
    x = 62,151,683.71/8,989.17
  6. Step 6: Final answer
    x = 6,914.06

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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.