Home / 9,931.18-14,896.54-4,999.49

Finding the Fourth Proportional to 9,931.18, 14,896.54 and 4,999.49

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Solution

The fourth proportional to 9,931.18, 14,896.54 and 4,999.49 is: 7,499.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,931.18 : 14,896.54 = 4,999.49 : x
  2. Step 2: Convert to fraction form
    9,931.18/14,896.54 = 4,999.49/x
  3. Step 3: Cross multiply
    9,931.18x = 14,896.54 × 4,999.49
  4. Step 4: Simplify right side
    9,931.18x = 74,475,127.51
  5. Step 5: Solve for x
    x = 74,475,127.51/9,931.18
  6. Step 6: Final answer
    x = 7,499.12

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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.