Home / 9,853-14,784.90-9,779.56

Finding the Fourth Proportional to 9,853, 14,784.90 and 9,779.56

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Solution

The fourth proportional to 9,853, 14,784.90 and 9,779.56 is: 14,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,853 : 14,784.90 = 9,779.56 : x
  2. Step 2: Convert to fraction form
    9,853/14,784.90 = 9,779.56/x
  3. Step 3: Cross multiply
    9,853x = 14,784.90 × 9,779.56
  4. Step 4: Simplify right side
    9,853x = 144,589,816.64
  5. Step 5: Solve for x
    x = 144,589,816.64/9,853
  6. Step 6: Final answer
    x = 14,674.70

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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.