Home / 9,938.96-14,899.80-4,737.68

Finding the Fourth Proportional to 9,938.96, 14,899.80 and 4,737.68

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Solution

The fourth proportional to 9,938.96, 14,899.80 and 4,737.68 is: 7,102.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,938.96 : 14,899.80 = 4,737.68 : x
  2. Step 2: Convert to fraction form
    9,938.96/14,899.80 = 4,737.68/x
  3. Step 3: Cross multiply
    9,938.96x = 14,899.80 × 4,737.68
  4. Step 4: Simplify right side
    9,938.96x = 70,590,484.46
  5. Step 5: Solve for x
    x = 70,590,484.46/9,938.96
  6. Step 6: Final answer
    x = 7,102.40

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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.