Home / 10,970.24-15,124.19-7,192.02

Finding the Fourth Proportional to 10,970.24, 15,124.19 and 7,192.02

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Solution

The fourth proportional to 10,970.24, 15,124.19 and 7,192.02 is: 9,915.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,970.24 : 15,124.19 = 7,192.02 : x
  2. Step 2: Convert to fraction form
    10,970.24/15,124.19 = 7,192.02/x
  3. Step 3: Cross multiply
    10,970.24x = 15,124.19 × 7,192.02
  4. Step 4: Simplify right side
    10,970.24x = 108,773,430.79
  5. Step 5: Solve for x
    x = 108,773,430.79/10,970.24
  6. Step 6: Final answer
    x = 9,915.32

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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.