Home / 10,130.76-13,980.06-6,152.04

Finding the Fourth Proportional to 10,130.76, 13,980.06 and 6,152.04

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Solution

The fourth proportional to 10,130.76, 13,980.06 and 6,152.04 is: 8,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.76 : 13,980.06 = 6,152.04 : x
  2. Step 2: Convert to fraction form
    10,130.76/13,980.06 = 6,152.04/x
  3. Step 3: Cross multiply
    10,130.76x = 13,980.06 × 6,152.04
  4. Step 4: Simplify right side
    10,130.76x = 86,005,888.32
  5. Step 5: Solve for x
    x = 86,005,888.32/10,130.76
  6. Step 6: Final answer
    x = 8,489.58

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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.