Home / 11,529.12-15,903.90-10,034.40

Finding the Fourth Proportional to 11,529.12, 15,903.90 and 10,034.40

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Solution

The fourth proportional to 11,529.12, 15,903.90 and 10,034.40 is: 13,842.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,529.12 : 15,903.90 = 10,034.40 : x
  2. Step 2: Convert to fraction form
    11,529.12/15,903.90 = 10,034.40/x
  3. Step 3: Cross multiply
    11,529.12x = 15,903.90 × 10,034.40
  4. Step 4: Simplify right side
    11,529.12x = 159,586,094.16
  5. Step 5: Solve for x
    x = 159,586,094.16/11,529.12
  6. Step 6: Final answer
    x = 13,842.00

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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.