Home / 10,637.42-14,681.86-6,388.67

Finding the Fourth Proportional to 10,637.42, 14,681.86 and 6,388.67

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Solution

The fourth proportional to 10,637.42, 14,681.86 and 6,388.67 is: 8,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,637.42 : 14,681.86 = 6,388.67 : x
  2. Step 2: Convert to fraction form
    10,637.42/14,681.86 = 6,388.67/x
  3. Step 3: Cross multiply
    10,637.42x = 14,681.86 × 6,388.67
  4. Step 4: Simplify right side
    10,637.42x = 93,797,579.26
  5. Step 5: Solve for x
    x = 93,797,579.26/10,637.42
  6. Step 6: Final answer
    x = 8,817.70

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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.