Home / 10,130.18-15,058.56-9,831.18

Finding the Fourth Proportional to 10,130.18, 15,058.56 and 9,831.18

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Solution

The fourth proportional to 10,130.18, 15,058.56 and 9,831.18 is: 14,614.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,130.18 : 15,058.56 = 9,831.18 : x
  2. Step 2: Convert to fraction form
    10,130.18/15,058.56 = 9,831.18/x
  3. Step 3: Cross multiply
    10,130.18x = 15,058.56 × 9,831.18
  4. Step 4: Simplify right side
    10,130.18x = 148,043,507.24
  5. Step 5: Solve for x
    x = 148,043,507.24/10,130.18
  6. Step 6: Final answer
    x = 14,614.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.