Home / 11,557.28-15,955.90-7,585.34

Finding the Fourth Proportional to 11,557.28, 15,955.90 and 7,585.34

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Solution

The fourth proportional to 11,557.28, 15,955.90 and 7,585.34 is: 10,472.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,557.28 : 15,955.90 = 7,585.34 : x
  2. Step 2: Convert to fraction form
    11,557.28/15,955.90 = 7,585.34/x
  3. Step 3: Cross multiply
    11,557.28x = 15,955.90 × 7,585.34
  4. Step 4: Simplify right side
    11,557.28x = 121,030,926.51
  5. Step 5: Solve for x
    x = 121,030,926.51/11,557.28
  6. Step 6: Final answer
    x = 10,472.27

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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.